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100   $a20240708d1975----kmuy0itay5050    ba
101 0 $aeng
102   $aNL
105   $a        001yy
200 1 $aHumic substances$etheir structure and function in the biosphere$eproceedings of an international meeting held at Nieuwersluis, the Netherlands, may 29-31, 1972$feditors D. Povoledo and H.L. Golterman
210   $aWageningen$cCentre for Agricultural Publishing and Documentation$d1975
215   $a368 p.$d23 cm
610 0 $aPedologia
676   $a631.47$v23$zita
702  1$aGolterman,$bH. L.
702  1$aPovoledo,$bD.
710 12$aInternational meeting <on> Humic substances <1972 ; Nieuwersluis, NL>$01743838
801  0$aIT$bUNINA$gREICAT$2UNIMARC
901   $aBK
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952   $aA MIC 2616$b9576/2024$fFAGBC
959   $aFAGBC
996   $aHumic substances$94172499
997   $aUNINA