00465nam a22001817a 4500 117681 117680 OSt 20260706113107.0 220629b ||||| |||| 00| 0 eng d 9780521138475 533.374 SIL Silfvast,William T 1539 Laser fundamentals by William T Silfvast 2 Delhi Cambridge 2018 642 Laser amplifiers Radiating bodies ddc BK