000 | 00288 am a2200109 a 4500 | ||
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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 |