000 00280 am a2200121 a 4500
245 1 _aEffect of environment on potato degeneration diseases
260 _aNebraska
_c1924
300 _a40p
100 1 _aGoss, R.W.
_d
942 _2udc
_cB
440 _aA.E.S. No.26
901 _aS25651
999 _c99799
_d99799