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100   $a20021010d1991----km-y0itay50------ba
101 0 $aeng
102   $aGB
105   $aa       101yy
200 1 $a<<The >>Biodiversity of microorganisms and invertebrates$eits role in sustainable agriculture$eproceedings of the 1. Workshop on the Ecological Foundations of Sustainable Agriculture (WEFSA 1) London, 26-27 July 1990$fedited by D.L. Hawksworth
210   $aWallingford$cCAB International$d1991
215   $aXIX, 302 p.$cill.$d24 cm
610 0 $aBiologia del terreno
610 0 $aBiodiversita
676   $a631.46$v23$zita
702  1$aHawksworth,$bDavid Lelsie$f<1946- >
710 12$aWorkshop on the Ecological Foundations of Sustainable Agriculture (WEFSA 1)$d1.$f<1990 ;$eLondon>$0788154
801  0$aIT$bUNINA$gRICA$2UNIMARC
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952   $a631.46 HAWD 1991$b2884/2024$fNAP11
959   $aFAGBC
959   $aNAP11
996   $aBiodiversity of microorganisms and invertebrates$91756708
997   $aUNINA