00546nam a22002057a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093100002000102245003500122260008000157300001900237490001500256650003600271650001800307830001500325CHAP20220329133852.0971013s1982            r     00010     d  a12020  a12992  a17063  cCHAP00aBartok, John W.  aSolar greenhouses for the home  aIthaca, N. Y. :bNortheast Regional Agricultural Engineering Service,c1982  a60 p.b: ilus.  aNRAESv; 214aEnergía solar en agricultura.14aInvernaderos.0 aNRAESv; 2