00622nam a22002177a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001600102111007300118245001600191260005200207300002700259650002800286650003300314700002200347710003500369CHAP20220329133728.0971013s1990            r     10010     d  a10059  a11031  a10269  cCHAP  a630.094bC600aCongress of the European Society for Agronomy (n1d: 1990c: Paris)  aProceedings  a(Paris) :bEuropean Society for Agronomy,c1990  ac.a. 535 p.b; gráfs14aAgriculturaxCongresos.14aAgriculturaxEuropazEuropa.0 aScaife, Alaneed.0 aEuropean Society for Agronomy.