TY - BOOK AU - Rai, G.D. TI - Non conventional sources of energy SN - (pbk) U1 - 333.79 PY - 1997/// CY - New Delhi PB - Khanna publishers KW - Energy sources KW - Solar energy KW - New technologies KW - Wind energy KW - Hydrogen energy KW - Chemical energy KW - Electric power KW - Nuclear energy KW - Economics KW - Management KW - FMS ER -