00423nam a22001457a 4500008004100000040005500041080001300096100002000109245004500129246002300174260004200197300001000239650001300249653001500262230703b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a52-6bN0  aNigel, Kaildar   aरेडियो खगोलिकी  aRediyo Khagolikee   aDelhi: bNalanda Pustak Sadan, c1990  a69p.   aScience   aAstronomy