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