000			00305nam a2200121Ia 4500
005			20251007104423.0
008			251006s9999 xx 000 0 und d
100			_asokolov,v.
245		0	_a.petroleum purto,victor(tr.) zellikoff,l.(ed.)
260			_a1st.ed. | .Moscow Mir
260			_c1972
942			_cBOK
999			_c6841 _d6841