共 34 条
[3]
ALEXANDERSSON ET, 1978, GEOLOGY, V6, P324, DOI 10.1130/0091-7613(1978)6<324:DDOCSI>2.0.CO
[4]
2
[5]
ALEXANDERSSON ET, 1978, SCANNING ELECTRON MI, P503
[6]
ALEXANDERSSON ET, 1972, B GEOL I U UPPSALA, V3, P201
[7]
ALEXANDERSSON ET, 1974, J SEDIMENT PETROL, V44, P7
[8]
ALEXANDERSSON T., 1977, FOSSIL ALGAE, P261
[10]
Boggild O. B., 1930, D KGL DANSKE VIDENSK, V9, P231