00626nam a22002177a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082002000102111007900122245001600201260006800217300001000285490003000295650002600325650002700351830003000378CHAP20220329135744.0971013s1970            r     10010     d  a41547  a42519  a46648  cCHAP  a634.93bF6 196900aForest Engineering Conference on Education (n11d: 1969c: Chicago, Ill.)  aProceedings  aSt. Joseph :bAmerican Society of Agricultural Engineers,c1970  a80 p.  aASAE publication PROC-17014aEnseñanza forestal.14aIngeniería forestal.0 aASAE publication PROC-170