000			00271nam a2200109Ia 4500
005			20251007104329.0
008			251006s9999 xx 000 0 und d
245		0	_aworld sulphar supply and demand,1960-1980.un
260			_a1ST.ED | N.Y. UN
260			_c1973
942			_cBOK
999			_c4940 _d4940