000 00301nam a2200133Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
082 _a535
082 _bAGA/O
100 _aSINGAH
_bAGARWAL
245 0 _aOPTICS & ATOMIC PHYSICS
260 _aNEW DELHI
260 _bPRAGATI PRAKASHAN
260 _c1972
999 _c1441
_d1441