共 52 条
[1]
AMUNDSON DC, 1974, THESIS U MINNESOTA
[2]
ANDERSSON JG, 1910, 11TH INT GEOL C STOC
[3]
ASHLEY GH, 1933, GEOL SOC AM BULL, V44, P423
[5]
BRIGHT RC, 1968, 3 U MINN LIMN RES CT
[6]
Bryson R.A., 1970, PLEISTOCENE RECENT E, P53
[7]
COOPER WS, 1958, GEOL SOC AM BULL, V69, P941, DOI 10.1130/0016-7606(1958)69[941:TOPT]2.0.CO
[8]
2
[9]
DAVIS M B, 1967, Review of Palaeobotany and Palynology, V2, P219, DOI 10.1016/0034-6667(67)90150-9
[10]
DAVIS MARGARET B., 1965, P377