00486cam a22001817a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093100002000102245005400122260006000176300001800236650001800254650003200272CHAP20220329141349.0971013s1974            r     00010     d  a67060  a68032  a77504  cCHAP00aBartok, John W. 0aGive your greenhouse a new look use air inflation  aStorrs, Conn :bThe University of Connecticut,c[1974?]  a6 p.b: ilus.14aInvernaderos.14aPlásticos en agricultura.