000			00336nam a2200145Ia 4500
008			221221s9999 xx 000 0 und d
041			_aENG
082			_a543 _bAHA/E
100			_aAhad, Juhaina
245		0	_aEngineering Chemypedia
260			_aKollam _bJai Publications _c2017
300			_a219
650			_aChemistry
942			_cBK
999			_c11237 _d11237