000 00401nam a22001697a 4500
003 NUST - PNEC
005 20170116180937.0
008 150906b xxu||||| |||| 00| 0 eng d
020 _a0672272741
040 _cLIBRARY
082 _a621.366 HEC
100 _98605
_aHecht, Jeff
245 _aUnderstanding lasers
_cJeff Hecht
260 _cc.1988
650 _98606
_aLasers
_xEE
942 _2ddc
_cBK
999 _c66090
_d66090