共 10 条
[1]
CAHALANE VH, 1959, SMITHSONIAN MISCELLA, V138
[2]
CRESSMAN LS, 1962, PREHISTORY NAKNEK DR
[3]
FAEGRI K, 1950, TXB MODERN POLLEN
[4]
HEUSSER CJ, 1960, AM GEOGRAPHICAL SOC, V35
[5]
HULTEN E, 1944, LUNDS U ARSSKRIFT, V40, P569
[7]
MULLER EH, 1952, THESIS U ILLINOIS UR
[8]
SIGAFOOS RS, 1958, US GEOLOGICAL SURV E, V1061
[9]
1961, ANN SUMMARY 1960, V46, P203
[10]
1962, ANN SUMMARY 1961, V47, P215