000			00319nam a2200145Ia 4500
008			190201s9999 xx 000 0 und d
082			_a519
082			_bS31E
100			_a"Srivastava, R S L"
245		0	_aEngineering Mathematics
260			_aNew Delhi
260			_bT.M.H
260			_c1980
300			_a"xi,314"
999			_c24498 _d24498