00402nam a22001217a 4500020002400000082001500024100002100039245003700060260005000097300003500147500002000182650007800202  a9788120339897 (pbk)  a681.4bWAL  aWalker, Bruce H.  aOptical engineering fundamentals  aNew DelhibPHI Learning Private Limitedc2010  axiii, 276 p.b: ill.c; 22 cm.  aIncludes index.  aOptical instrumentsvOSLO opticalvOptical materialsvOpticvLensesvFEAS