共 5 条
[2]
KULLENBERG B, 1947, HYDROGRAFI, V1
[3]
Lichtwardt R. W., 1952, PALEOBOTANIST, V1, p317 318
[4]
VALLENTYNE JR, 1954, ECOLOGY, V36, P139
[5]
WILSON IT, 1941, J SEDIMENT PETROL, V11, P73