00497nam a2200181Ia 4500 230714s9999 xx 000 0 und d 9790000000000 eng 530 AVA Avadhanulu M.N. 149104 Textbook Of Engineering Physics 9th Revised ed. 2015 S.Chand 1189 Rs. 600.00 Avadhanulu M.N. & Kshirsagar P.G. O:0506809-May-2016B:286404-May-2016 BSH 840 217625 217625