00301nam a2200109Ia 450000500170000000800410001708200140005810000190007224500420009126000500013330000080018320260224040926.0260224s9999||||xx |||||||||||||| ||und||  a620.1 AGR  aAgarwal, B.K.  0aIntroduction to engineering materials  aNew Delhi: Tata Mc-Graw Hill Publishersc1988  a553