000 00320nam a2200133Ia 4500
008 200806s9999 xx 000 0 und d
020 _a91-40-11112-1
082 _a621.952
_bDRI
245 0 _aDRILLING exercises
260 _aStockholm
_bLiber Laromedel
_c1980
300 _a20 p.
650 _aDrilling
942 _cPRP
999 _c141479
_d141478