TY - BOOK AU - हरिहर सिंह TI - Hamare parv aur thohar U1 - 891.434 PY - 1974/// CY - New Delhi PB - Institute Of Banking Studies KW - GeneralENERGY CONCERVATION THE FIRST LAW OF THERMODYNAMICS, THE CONCEPT OF REVERSIBILITY, HEAT ENGINES, POWER PLANTS, THE SECOND LAW OF THERMODYNAMICS, MORE ON THE SECOND LAW, THERMODYNAMICS AND STATISTICAL MECHANICS ER -