共 28 条
[1]
ARMSTRONG JE, 1956, GEOL SOC AM PROGRAM, P20
[2]
CARITHERS W, 1946, 15 WASH DIV MIN GEOL
[3]
COOMBS HA, 1939, GEOL SOC AM BULL, V50, P1493
[5]
Hansen H. P., 1942, LLOYDIA [CINCINNATI], V5, P305
[10]
Pollen analysis of a bog in Northern Idaho
[J].
AMERICAN JOURNAL OF BOTANY,
1939, 26 (04)
:225-228