00286nam a2200109Ia 450000500170000000800410001708200160005810000200007424500390009426000350013330000080016820260224040950.0260224s9999||||xx |||||||||||||| ||und||  a631.523 STO  aStoskopf, N.C.  0aPlant breeding theory and practice  aJodhpur: Scientific Pub.c1999  a531