00331nam a2200121Ia 4500008004000000082001300040100002200053245005000075250000500125260004100130300001200171650002600183210210b1989   xxu||||| |||| 00| 0 eng d  a535 KHAT  aKHANDELWAL (D P).  aText book of optics and atomic physics. Ed 8.  a  aN DbHimalaya Publishing Housec1989  axvi,463  aOptics Atomic Physics