共 28 条
[1]
BARNES CR, 1976, ORDOVICIAN SYSTEM, P206
[2]
Bates D.E.B., 1978, Acta Palaeontologica Polonica, V23, P427
[3]
Berry W. B. N., 1977, CONCEPTS METHODS BIO, P321338
[4]
BERRY WBN, 1972, 24 INT GEOL C MONTR, V7, P59
[5]
BULMAN OLIVER MEREDITH BOONE, 1964, QUART J GEOL SOC LONDON, V120, P455
[6]
Crowther P.R., 1977, GEOLOGICA PALAEONT, V11, P9
[7]
ERDTMANN BD, 1976, ORDOVICIAN SYSTEM, P621
[9]
Jackson D. E., 1966, Bulletin of Canadian Petroleum Geology, V14, P469
[10]
JACKSON DE, 1973, CONTRIBUTIONS CANADI, P1