00496nam a2200169Ia 4500003000900000008004100009040001600050080001300066100002000079245009800099250001300197260002900210300001400239650004100253650001800294700001400312IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a535bSUB  aSubrahmanyam, N 2aA text book of opticscN. Subrahmanyam and Brij Lal                                            a10th ed.  aNew DelhibS.Chandc1980  axv, 580p.  aAstronomy and astrophysics thesaurus  aSolar physics  aLal, Brij