00495nam a2200121Ia 4500008004100000082003600041100007200077245004200149260002500191300001500216490007600231650006600307140224s9999    xx            000 0 und d  aTR 628.9.02:631.365.2(047.3) L5  aMcGill University. Faculty of Engineering. Brace Research Institute  aA survey of solar agricultural dryers  aQuebecbCanadac1975  aviii,138p.  aMc Graw Hill University Brace Research Institute, Technical Report; T99  aSolar energy research,Solar heating-technological innovations