000			00289nam a2200121Ia 4500
008			190216s9999||||xx |||||||||||||| ||und||
100			_aSrivasta B N
245		0	_aEssential Of Quantum Mechanics
260			_bPragathi Prakashan _c1985
300			_a236p
650			_aPhysics
942			_cBK
999			_c2403 _d2403