共 15 条
[1]
BUTLER JW, 1966, DATA PROCESSING BIOL, V4, P47
[2]
BUTLER JW, 1964, DATA ACQUISITION PRO, V3, P261
[3]
BUTLER JW, 1967, 140 AGR NAT LAB TECH
[4]
BUTLER JW, 1968, DATA PROCESSING BIOL, V5, P231
[5]
DITTBERNER PL, 1971, THESIS NEW MEXICO ST
[8]
HARPER JL, 1960, BIOLOGY WEEDS
[9]
HERBEL CH, 1970, SIMULATION ANAL DYNA, pI133
[10]
NELSON EW, 1934, 409 US DEP AGR TECH