000 003260000a22001450004500
650 1 4 _9134743
_aAGRICULTURA
593 _a6-10-1994
022 _a0096-722X
596 _aI
245 1 0 _aCONTROL SERIES BULLETIN
260 _bMassachussets Agricultural Experiment Station
362 1 _a1914-
590 _gUSA
942 _cCR
999 _c130463
_d130463