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101 1 $aita$ceng
102   $aIT
105   $a--------001yy
200 1 $a<<Un >>pianeta non basta$eesplosione demografica, il problema ambientale numero 1$fPaul R. Ehrlich, Anne H. Ehrlich
210   $aPadova$cFranco Muzzio$d1991
215   $aXVII, 312 p.$d24 cm
225 1 $ail pianeta
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700  1$aEhrlich,$bPaul R.$063723
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