000 00374 a2200169 4500
001 B 55
020 _a0901361410
050 _aSB119
_b.P6-1980
100 1 _aD.Gray
245 1 4 _aGrower guide no.13:Fluid drilling
260 _aLondon
_bGrower
_aLondon
_bGrower books
_c1980
500 _a
700 _aP.J.Salter
650 _aBiology
650 _aScience
942 _cBK
999 _c8614
_d8614