00310nam 2200986 4500001000400000003002300004005000900027008004100036082000800077100002800085260004300113245003400156986StarLibrary Marc Built20180503201711 ||||| |||||||||||amh  a539 aK. C. Lal / S. L. Ahmad bnewdlhi: s. chand & compani ltd c1997 aA Text Book Of Modern Physics