00322pam a2200133 a 4500020000500000041000800005082001300013100001500026245004500041250001000086260003800096300001000134653004400144  c  aeng  a001bSIN  aSINHA M.K.  aUnderstanding OPTICS hTextual Documents  a2010.  aNew DelhibTata McGraw Hillc2010  a406p.  aLight &infIared & ultraviolet phenomena