000			00326nam a2200133Ia 4500
005			20260205095100.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a333.954 K279P
100			_aKALKAR G R VARDE M. S.
245		0	_aPRODUCTS AND PROCESSES
260			_aLOND. _bMACMILLAN _c1950
300			_a121
942			_cBK
999			_c204074 _d204074