00677nam a2200193 a 4500 8120500180 : 622/.23 CHE L-15 P-70 Chernigovskiĭ, A. A. 42084 Application of directional blasting in mining and civil engineering / A.A. Chernigovskii. 2nd rev. and enl. ed. New Delhi : Oxonian Press, c1985. xx, 318 p. : ill. ; 24 cm. Translation of: Primenenie napravlennogo vzryva v gornom dele i stroitelʹstve. 0 0 0 622_230000000000000_CHE Blast effect. 42085 Blasting. 26995 MCE 379 ddc BK 546062 546062 0 0 ddc 0 0 MCE MCE 2014-06-02 0 622/.23 CHE MCE-27615 2014-06-02 2014-06-02 BK