000			00262nam a2200097Ia 4500
005			20250424112917.0
008			250424s9999 xx 000 0 und d
300			_a128 p. : ill. ; 30 cm.
650			_aPetroleum--Periodicals. Natural gas--Periodicals.
942			_cSR
999			_c37824 _d37824