Etiqueta de registo: 00192cx a22000853 45
001 1167515
100 ## $a20040515apory0103 ba0
102 ## $aUS
152 ## $aRPC
200 #1 $aGray,$bLewis Cecil,$f1881–1952
801 #0 $aPT$bBN
810 ## $ahttps://academic.oup.com/ajae/article/35/1/157/85158
830 ## $aAgronomia
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