1. Interaction of supports and surrounding strata in thick coal seams in the Kuznetsk coalfield

   • S. I. Zapreev
   • A. K. Kovrizhin

   Rock Mechanics and Rock Pressure Pages: 445 - 452

2. Roof movements at the face

   • N. A. Fedorov
   • E. A. Bober
   • M. S. Vagapov

   Rock Mechanics and Rock Pressure Pages: 453 - 456

3. Strate movements at the edges of development workings and the load on the support system

   • V. N. Tsytsarkin
   • G. I. Gritsko

   Rock Mechanics and Rock Pressure Pages: 457 - 459

4. Methods of protecting main roads

   • V. F. Trumbachev
   • K. V. Koshelev
   • V. I. Dolzhenko

   Rock Mechanics and Rock Pressure Pages: 460 - 464

5. Gas pressure in coal seams

   • S. V. Kuznetsov

   Rock Mechanics and Rock Pressure Pages: 465 - 471

6. Degassing a zone of a coal seam before mining

   • A. T. Gorbachev

   Rock Mechanics and Rock Pressure Pages: 472 - 477

7. Mechanism by which a cutting tool interacts with the coal

   • P. S. Kucherov

   Rock Breaking Pages: 478 - 482

8. Crushing by percussive loads

   • A. A. Vikhlyaev
   • V. V. Kamenskii
   • A. I. Fedulov

   Rock Breaking Pages: 483 - 485

9. Some aspects of collisions between elastic bodies

   • V. I. Zhabin

   Rock Breaking Pages: 486 - 491

10. Mechanism of rock breaking by blasting in relation to its fracturing and elastic constants

    • V. N. Mosinets

    Rock Breaking Pages: 492 - 499

11. Some aspects of the propagation of elastic waves in a fissured medium

    • K. D. Klem-Musatov

    Rock Breaking Pages: 500 - 505

12. Determination of the maximum lift height of material in vibrobunkering

    • G. V. Lyubchenko
    • A. N. Lyubchenko

    Mechanization and Automation in Mining Pages: 506 - 510

13. Principle of mechanical automatic control of drilling parameters applied to machines for sinking boreholes

    • P. M. Alabuzhev
    • I. V. Rodionov
    • T. K. Beloborodov

    Mechanization and Automation in Mining Pages: 511 - 517

14. Criteria for the control parameters of bucket excavators

    • M. I. Frenkel'

    Mechanization and Automation in Mining Pages: 518 - 521

15. Concentration of work in open-cut mining of minerals

    • O. V. Kortelev
    • Yu. N. Ermolin

    Open-cut Mining of Minerals Pages: 522 - 526

16. Determining the coherence of rock brought down by blasting

    • Yu. I. Belyakov
    • A. V. Rezunik

    Open-cut Mining of Minerals Pages: 527 - 531

17. Irreversible losses during firing of air-gap charges

    • M. S. Akaev

    Brief Communications Pages: 532 - 533

18. Computerized determination of shock-wave parameters in a solid

    • N. N. Kazakov
    • R. A. Barlas

    Brief Communications Pages: 534 - 538

19. Completeness of detonation of nitrogen-family explosives

    • I. N. Chernev

    Brief Communications Pages: 539 - 541

20. Bending of a thin cantilevered rod with limited displacement

    • Yu. P. Maksimovich

    Brief Communications Pages: 542 - 544

21. Interaction between a hydraulic gauge and the rock

    • M. V. Kurlenya
    • V. K. Aksenov

    Brief Communications Pages: 545 - 547

22. Mechanism of action of rock particles on the solid walls of the duct in the movement of hydraulic mixtures

    • V. V. Moskvitin
    • A. E. Smoldyrev

    Brief Communications Pages: 548 - 550