004230000a22001570004500020001500000060000800015082001800023100002000041100002600061100003300087245007300120260003500193260000900228300000800237650002000245  a9022009815  a100  a633.491 3 LOU  aDellaert, L M V  aLouwes, K MfCompiler  aToussaint, H A J MfCompiler  aParental line breeding and selection in potato breeding: proceedings  aNetherlands, Pudoc Wagerninger  c1989  a210  aPotato breeding