000			00290nam a2200121Ia 4500
008			190216s9999||||xx |||||||||||||| ||und||
100			_a"Ghatak P K,Bandyopadhyay A K"
245		0	_aPractical Diary Chemistry
260			_bKalyani Pub:-
300			_a291
650			_aChemistry
942			_cBK
999			_c3450 _d3450