000 00277nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a621.95
_bSMI
100 _aSmirnov, V
245 0 _aBoring practice
260 _aMoscow
_bMir
_c1967
650 _aBoring tools
942 _cBK
999 _c24137
_d24137