共 19 条
[1]
ABRAHAMSSON KV, 1966, 39 ARCT I N AM RES P
[2]
COLINVAUX PA, 1967, BERING LAND BRIDGE
[3]
FAEGRI K, 1964, TEXTBOOK POLLEN ANAL
[4]
FREDSKILD B, 1972, CLIMATIC CHANGES ARC
[5]
Hyvarinen H., 1970, GEOGR ANN A, V52, P213, DOI DOI 10.2307/520815
[8]
MACKAY JR, 1963, 8 GEOGR BRIT MEM
[9]
MATTHEWS J V JR, 1970, Arctic and Alpine Research, V2, P241, DOI 10.2307/1550238
[10]
NICHOLS H, 1967, ARCTIC, V20, P213