1. Postlimiting state of rocks and its relation with problems in the inhomogeneous theory of plasticity

   • A. G. Protosenya
   • A. N. Stavrogin
   • B. G. Tarasov

   Rock Mechanics and Rock Pressure Pages: 541 - 545

2. Pressure on the cylindrical lining of a vertical shaft in clay rocks

   • V. A. Mizyumskii

   Rock Mechanics and Rock Pressure Pages: 546 - 550

3. Mechanical characteristics of rock in place in analytical calculations on rock pressure phenomena in workings

   • B. Z. Amusin

   Rock Mechanics and Rock Pressure Pages: 551 - 556

4. Influence of lateral thrust on stress distribution in mountainous rock structures

   • S. N. Savchenko

   Rock Mechanics and Rock Pressure Pages: 556 - 561

5. Assessment of rocks in a bulk stress state by energy criteria

   • R. Parashkevov

   Rock Mechanics and Rock Pressure Pages: 562 - 564

6. A method of enhanced rock breaking by blasting

   • N. V. Mel’nikov
   • L. N. Marchenko
   • N. P. Seinov

   Rock Mechanics and Rock Pressure Pages: 565 - 572

7. Influence of the gaseous detonation products on rock breaking by blasting

   • V. M. Komir
   • V. M. Kuznetsov
   • A. F. Shatsukevich

   Rock Mechanics and Rock Pressure Pages: 573 - 575

8. Dependence of the stress state of part of an elastic half plane with a step on the angle of application of a point force at the foot and the height of the step

   • V. V. Bundaev

   Rock Mechanics and Rock Pressure Pages: 575 - 581

9. Weakening of ores in the snyder process

   • É. A. Khopunov
   • Yu. L. Shatailov
   • S. L. Voronchikhin

   Rock Mechanics and Rock Pressure Pages: 581 - 586

10. Technical methods of activating minerals by crushing

    • V. I. Molchanov
    • O. G. Selezneva

    Mechanization and Automation of Mining Operations Pages: 587 - 598

11. Optimal design parameters for mechanized supports

    • N. S. Arsenov
    • V. A. Mikhalitsyn
    • A. V. Protasov

    Mechanization and Automation of Mining Operations Pages: 599 - 605

12. Theoretical investigation of control of the size of the zone of fracture of the rock around the contour when workings are driven by contour blasting

    • V. G. Kozhevin
    • P. V. Sdobnikov
    • M. K. Kurchin

    Underground Mining Pages: 606 - 609

13. Method of determining the variability characteristics of ore quality indices at the output of a blending unit

    • V. V. Rozhkov
    • Yu. N. Ermolin
    • V. V. Rodionov

    Underground Mining Pages: 610 - 613

14. Selection of parameters for working mine takes by integer programming

    • D. Ya. Shreider
    • N. A. Kachevskii

    Underground Mining Pages: 614 - 616

15. Solution of the problem of optimum centralization and siting of lumber yards in the Prokop’evsk-Kiselevsk region of the Kuzbass

    • G. A. Strekachinskii
    • A. A. Ordin

    Underground Mining Pages: 617 - 619

16. Estimating flocculation of a strongly magnetic mineral in the fields of magnetic separators

    • I. K. Mladetskii

    Physical and Chemical Bases of Beneficiation Pages: 620 - 624

17. Flotation of nepheline

    • N. A. Aleinikov
    • N. V. Afanas’eva

    Physical and Chemical Bases of Beneficiation Pages: 625 - 630

18. Use of potential drop curves to investigate the electrochemical behavior of pyrite

    • G. M. Yashina
    • N. L. Olerskaya

    Physical and Chemical Bases of Beneficiation Pages: 630 - 633

19. Precision of borehole drilling with a pneumatic punch

    • K. S. Gurkov
    • G. A. Tkachenko

    Brief Communications Pages: 634 - 635