00417nam a2200157 a 450000100080000000500110000800800410001902000150006010000200007524500470009526000540014230000110019665000210020765000090022870000220023710016422014-02-22       2005    bl uuuu     u00u1 u    #d  a90769988411 aHAVERKORT, A.J.  aPotato in progressbscience meets practice  aWageningen (The Netherlands): Wageningen APc2005  a366 p.  aFITOMEJORAMIENTO  aPAPA1 aSTRUIK, P.C. EDS.