共 26 条
[1]
ADAMS R P, 1972, Taxon, V21, P407, DOI 10.2307/1219103
[3]
ADAMS RP, 1979, J CHROMATOG SCI, V17, P79
[4]
CRITCHFIELD WB, 1966, MISC PUBL USDA, V991
[5]
CRITCHFIELD WILLIAM B., 1957, MARIA MOORS CABOT FOUND PUBL, V3, P1
[6]
FOWELLS HA, 1965, USDA AGR HDB, V271
[8]
HOLST MJ, 1967, PETPS6 PET FOR EXP S
[9]
HOLST MJ, 1964, 9 P M COMM FOR TRE 2, P63
[10]
HUNT RS, 1977, FOREST SCI, V23, P507