000 00250nam a2200109Ia 4500
008 160710s1967 xx 000 0 und d
082 _aPRO
245 _aTHE OIL AND GAS JOURNAL
260 _bPROCESS DIVISION
_c1967
300 _a149
942 _2ddc
_cB
999 _c33879
_d33879