TY - BOOK AU - LAKHTIN M. TI - ENGINEERING PHYSICAL METALLURGY AND HEAT- TREATMENT U1 - 22 थ 79 PY - 1979/// PB - MIR PUBLISHERS, MOWCOW. KW - ENGINEERING PHYSICAL METALLURGY AND HEAT- TREATMENT KW - एस.सी N2 - एस.सी ER -