共 113 条
[1]
AGER T, 1976, 4TH BIENN M AM QUAT
[2]
AGER TA, 1975, 54 OH STAT U I POL S
[3]
ANDERSEN ST, 1961, GEOLOGICAL SURVEY DE, V2
[5]
[Anonymous], 1970, PERMAFROST CANADA IT
[6]
[Anonymous], 1943, INTRO HIST PLANT GEO
[7]
ARGUS GW, 1973, 2 NAT MUS CAN PUBL B
[8]
BARTLEY DAVID D., 1967, POLLEN SPORES, V9, P101
[9]
BENNINGHOFF W. S., 1962, POLLEN ET SPORES, V4, P332
[10]
Beug H.-J., 1961, LEITFADEN POLLENBEST