TY - GEN AU - Tiwari, G.N. AU - Suneja, Sangeetha TI - Solar thermal engineering systems SN - 81-7319-161-1 U1 - 620.91.551.521.37 PY - 1997/// CY - New Delhi PB - Narosa KW - Thermal engineering KW - solar KW - 620.91.551.521.37 ER -