000 00392nam a2200121Ia 4500
005 20251007104425.0
008 251006s9999 xx 000 0 und d
100 _anelson,richard robert,1926-
245 0 _abreeding plants for disease resistance,concepts and applications nelson,richard robert
260 _a1st ed. | University park Pennsylvania State Univer
260 _c1973
942 _cBOK
999 _c6890
_d6890