00000nam a2200000 a 4500 20251202164157.0 083597040X 621.47 HUD Hudson, Llyod Gary Markell, Jeff Solar Technology Virginia Reston Pub Co. 1985 viii,256p, 23cm. HB Solar heating Eng 100 010 _ 3044 LIBSC C 2296 2296 0 0 0 0 PU PU 1998-04-08 30.95 0 621.47 HUD 3044 BK