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*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)999318895884702201
*035  $a(NO-LaBS)15194778(bibid)
*035  $a(NO-TrBIB)931889588
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*1001 $aSeagraves, James Arthur$0(NO-TrBIB)90684404$_90235900
*24510$aChoice of crop rotations under crop-share leases :$ba linear programming application$cby James Arthur Seagraves
*260  $aIowa$bJ. A. Seagraves$c1956
*300  $aviii, 143 bl.$bdiagr.
*500  $a"Major subject: Agricultural economics"
*502  $aAvhandling - (dr. philos.) - Iowa State College, 1956
*901  $a80
*917  $ad
*999  $aoai:nb.bibsys.no:999318895884702202$b2021-11-14T20:35:34Z$z999318895884702202
^