共 17 条
[1]
Aitken J.D., 1966, CANADIAN PETROL GEOL, V14, P405
[2]
Cowie J., 1972, SPEC REPT GEOL SOC L, V2
[3]
DENNISON JOHN M., 1967, J PALEONTOL, V41, P706
[4]
HENDERSON R A, 1976, Palaeontology (Oxford), V19, P325
[5]
Lochman C., 1944, SPEC PAP GEOL SOC AM, V54
[6]
Longacre S. A., 1970, MEM PAL SOC S, V4
[7]
Palmer A. R., 1954, Journal of Paleontology, V28, P709
[8]
Palmer A. R., 1962, PROF PAP US GEOL SUR
[9]
Palmer A. R., 1971, LOWER PALAEOZOIC ROC
[10]
Palmer A. R., 1965, PROF PAP US GEOL SUR