000 | 00355nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 130225s9999 xx 000 0 und d | ||
100 | _aGillum, Marvin N. | ||
245 | _aProperties of roller gin roller covering materials | ||
260 |
_aWashington _c1974 |
||
300 | _a1-17 p. | ||
440 | _aUnited States Department of A | ||
901 | _a22925 | ||
942 |
_cB _2udc |
||
999 |
_c4190 _d4190 |