000 | 00317 am a2200121 a 4500 | ||
---|---|---|---|
245 | 1 | _aAspen Availability, Properties and Utilization | |
260 |
_aMinnesota _c1932 |
||
300 | _a72p. | ||
100 | 1 |
_aR.P.A. Johnson _d |
|
942 |
_2udc _cB |
||
440 | _aMinnesota Agricultural Experiment Station, Bull. | ||
901 | _aS24038 | ||
999 |
_c100468 _d100468 |