共 27 条
[1]
ANDERSON PJ, 1914, NEW YORK AGRIC EXP S, V347, P530
[2]
BAXTER DV, 1931, 135 MICH AGR EXP STA, P3
[3]
BENNINGHOFF S, 1962, POLLEN SPORES, V4, P332
[4]
Braun E.L., 1950, DECIDUOUS FORESTS E
[5]
BROOKS A. B., 1937, CASTANEA, V2, P61
[6]
COX DONALD D., 1968, CASTANEA, V33, P137
[7]
CRAIG AJ, 1969, 123 GEOL SOC AM SPEC, P283
[9]
DAVIS RB, 1967, QUATERNARY PALEOECOL
[10]
FAEGRI K, 1964, TEXTBOOK POLLEN ANAL