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Tag Indicator Content
020 ## $a0-582-44630-9
041 ## $aEnglish
082 ## $a631.52
100 0# $aS. W. Simmonds
245 00 $aPrinciples of crop improvement
260 ## $aLondon $bLongman $c1979
300 ## $axiv, 408 p. $bfig., table $c22 cm.
500 ## $aIncludes bibliographical references and index.
650 00 $aPLANT BREEDING