00270nam a2200109Ia 4500008004100000100002100041245002600062260004000088300000800128942000700136999001700143161022s9999    xx            000 0 und d  aScideles Jamesth  aAgricultureal History  bUniversity  of celifornia  p.c1973  a282  cBK  c45710d45710