共 32 条
[1]
BASSETT I. J., 1962, CANADIAN JOUR BOT, V40, P141
[3]
Battarbee RW, 1973, QUATERNARY PLANT ECO, P279
[4]
Birks HH, 1973, QUATERNARY PLANT ECO, P173
[5]
Bradbury J. P., 1975, GEOL SOC AM SPECIAL, V171, P1
[6]
BRADBURY JP, 1978, EPA600378004 US ENV
[7]
BRIGHT RC, 1968, 3 U MINN LIMN RES CT
[10]
DAVIS MB, 1969, AM SCI, V57, P317