000 00288 am a2200109 a 4500
245 1 _aFurther studies on the effect of environment on potato degeneration diseases
260 _aNebraska
_b32p
_c1925
100 1 _aGoss, R.W.
_d
942 _2udc
_cB
440 _aA.E.S. No.29
901 _aS25653
999 _c99801
_d99801