共 26 条
[1]
BROMLEY R G, 1972, Palaeontologische Zeitschrift, V46, P93
[2]
COPPER G, 1956, SMITHSON MISC COLLEC, V127, P1024
[3]
Dunbar C, 1934, GEOL SOC AM MEM, V1, P123
[5]
HANTZSCHEL W, 1975, TREATISE INVERTEBR W
[6]
HAVARD C, 1976, B CAN PET GEOL, V24, P47
[7]
HECKER RT, 1970, GEOL J, P215
[8]
Jaanusson V., 1961, B GEOL I U UPPSALA, V40, P221
[9]
JAMES NP, 1976, J SEDIMENT PETROL, V46, P523
[10]
JAMES NP, 1976, GEOL ASSOC CAN, P83

