1. Thermal stresses in shaft supports

   • A. A. Borisov
   • V. D. Larionov
   • A. B. Zverev

   Rock Mechanics and Rock Pressure 01 September 1968 Pages: 441 - 445

2. Rock deformation around the face

   • B. Sh. Vinokur
   • G. S. Nazarov

   Rock Mechanics and Rock Pressure 01 September 1968 Pages: 446 - 449

3. Fracture of roof rock over a production face

   • F. P. Glushikhin

   Rock Mechanics and Rock Pressure 01 September 1968 Pages: 450 - 453

4. Determination of the strength, brittleness, and fracturing of in-situ coal

   • I. G. Ischuk
   • V. G. Kanonikin

   Rock Mechanics and Rock Pressure 01 September 1968 Pages: 454 - 457

5. The precision and reliability of the volume characteristics of individual rock fractures

   • L. I. Baron

   Rock Breaking 01 September 1968 Pages: 458 - 462

6. Spalling phenomena in an elastic half-space with an internal source

   • G. A. Gutova
   • V. S. Nikiforovskii

   Rock Breaking 01 September 1968 Pages: 463 - 468

7. A graphical method of calculating the inhomogeneity coefficients and coefficients of reflection and refraction of elastic waves at a fissure

   • K. D. Klem-Musatov

   Rock Breaking 01 September 1968 Pages: 469 - 472

8. The relation between the mode of fragmentation and the stress field parameters in a fractured medium

   • M. F. Drukovanyi
   • V. M. Komir
   • A. I. Pastukhov

   Rock Breaking 01 September 1968 Pages: 473 - 475

9. The influence of several factors on pulsed electrical breakdown in rocks

   • V. S. Malakhov
   • I. I. Kalyatskii
   • V. V. Krivko

   Rock Breaking 01 September 1968 Pages: 476 - 478

10. Impact fracture of coal

    • V. N. Labutin
    • I. A. Nedorezov
    • A. I. Fedulov

    Rock Breaking 01 September 1968 Pages: 479 - 481

11. Rock cutting with application of high-frequency vibrations to the cutting tool

    • V. V. Rzhevskii
    • V. S. Yamshchikov
    • N. S. Korobeinikov

    Mechanization and Automation in Mining 01 September 1968 Pages: 482 - 486

12. Transporation of bulk loads along a vibrating load-carrying device

    • I. F. Goncharevich

    Mechanization and Automation in Mining 01 September 1968 Pages: 487 - 490

13. The load-removal capacity of the buckets of a rotary quarry excavator with centrifugal discharging

    • D. I. Taranov

    OriginalPaper 01 September 1968 Pages: 491 - 498

14. The stability of a loader with rolling-ARM bucket discharge

    • V. A. Shcherbakov
    • G. Sh. Khazanovich

    Mechanization and Automation in Mining 01 September 1968 Pages: 499 - 502

15. Engineering calculation of the main characteristics of the hoisting mechanism of a rock-loading machine with its shovel on a rolling arm

    • B. A. Bakholdin
    • A. A. Dikhtyar
    • V. A. Strashko

    Mechanization and Automation in Mining 01 September 1968 Pages: 503 - 508

16. Noncentral elastic collisions between rods

    • P. M. Alabuzhev
    • V. I. Zakharov
    • B. N. Stikhanovskii

    Mechanization and Automation in Mining 01 September 1968 Pages: 509 - 514

17. How the weight and shape of the bit affect the productivity of a drilling machine

    • K. I. Ivanov
    • V. D. Andreev
    • M. F. Yarmak

    Mechanization and Automation in Mining 01 September 1968 Pages: 515 - 519

18. Developing and testing a servomechanism for varying the pitch of the blades of an axial fan

    • N. N. Petrov

    Mechanization and Automation in Mining 01 September 1968 Pages: 520 - 522

19. The state of stress in the rocks around a pair of converging workings

    • Yu. Z. Zaslavskii
    • A. I. Zorin
    • Yu. L. Zhulin

    Brief Communications 01 September 1968 Pages: 524 - 526

20. Use of “hydrodeformometers” to study the deformation in the face zone of a seam

    • A. A. Borisenko
    • G. A. Zen'kovich

    Brief Communications 01 September 1968 Pages: 527 - 528

21. Determining the elastic constants of rocks for stress measurements by the load-relief method

    • E. A. Mel'nikov
    • L. S. Molodtsova

    Brief Communications 01 September 1968 Pages: 529 - 531

22. A hydraulic pulse machine for investigating the fracture of concrete or rock by pulsed water pressure

    • V. P. Plotnikov

    Brief Communications 01 September 1968 Pages: 532 - 533

23. Measuring and evaluating the gas pressure in a coal seam

    • S. V. Kuznetsov

    Brief Communications 01 September 1968 Pages: 534 - 536

24. The influence of fragment size of the ore and overlying rock on the extraction indices in discharge

    • R. M. Grinev

    Brief Communications 01 September 1968 Pages: 537 - 539

25. Abrasiveness of rocks and relative bit wear in rotary drilling

    • A. I. Shubnyi

    Brief Communications 01 September 1968 Pages: 540 - 543

26. The stability of the PK-3 heading machine

    • G. N. Arkhipov
    • V. M. Musalimov

    Brief Communications 01 September 1968 Pages: 544 - 549

27. Possible applications of multi-bucket scrapers for shield mining coal seams

    • P. É. Mal'bert
    • N. S. Lavrov
    • Yu. I. Alkasarov

    Brief Communications 01 September 1968 Pages: 550 - 552

28. Nikolai Andreevich Chinakal (in honor of his 80th birthday)

    Announcement 01 September 1968 Pages: 553 - 554