共 36 条
[1]
ANDRESEN NA, 1976, THESIS U MICHIGAN
[3]
BATTARBEE R W, 1978, Polskie Archiwum Hydrobiologii, V25, P9
[4]
BATTARBEE RW, 1979, 158 INT GEOL CORR PR, V2
[5]
Bradbury J. P., 1975, GEOL SOC AM SPECIAL, V171, P1
[8]
DUTHIE HC, 1972, 15TH P C GREAT LAK R, P45
[9]
DUTHIE HC, 1971, 14TH P C GREAT LAK R, P1
[10]
EHRENBERG CG, 1946, 1845 BEK VERH KON PR, P53