000			00346nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a852267912
082			_a530
082			_bR18F
100			_a"Narayana Rao, B.V."
245		0	_aFirst Year B.Sc Physics
260			_aNew Delhi
260			_bW.E.L.
260			_c1984
300			_axiv 324
999			_c22388 _d22388