000 00535nam a2200181 4500
001 38121/84
005 20130727111926.0
008 111112s9999 xx 000 0 und d
020 _a0 903031 80 9
020 _ahard cover
050 _aTN939
_b.L47 1981
100 1 _a"lester, d . "
245 1 0 _aQuarrying and rockbreaking:the operation and maintainance...:
_b/
_c D.. Lester
250 _a1 ed.
260 _auk :
_bintermediate technology
_c1981.
300 _a", 116p.;
_c22 cm."
942 _2lcc
_cBK
_hTN939
_k.L47 1981
999 _c18179
_d18179