00589nam a2200181Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d 81-7544-006-6 IIA Library 621.31 MIT Mital, K. M 21909 Non-Conventional energy systems principles, progress and prospects K. M. Mital New Delhi Wheeler Publishing 1997 xxiv, 552p. Energy systems 21910 Non-Conventional energy systems 21911 BK 12510 12510 0 0 0 0 BAN BAN GEN 1998-06-01 INFO 550.00 0 621.31/ MIT 13427 2021-11-05 550.00 1998-06-01 BK Rs. 550.00