共 25 条
[1]
Aksarina N. A., 1968, NEW DATA GEOLOGY MIN, V3, P77
[2]
Cox L. R., 1960, Proceedings of the Malacological Society of London, V34, P60
[4]
Hill D., 1969, ORDOVICIAN SILURIAN
[5]
Horny R., 1960, Vestnik Geol Ust Csl, V35, P479
[6]
Kawaguti S., 1959, Biological Journal of Okayama University, V5, P177
[7]
Kawaguti S., 1960, Biological Journal of Okayama University, V6, P150
[8]
KAY EA, 1968, STUDIES STRUCTURE PH
[9]
KEEN A. MYRA, 1961, PROC CALIFORNIA ACAD SCI, V30, P47
[10]
KOBAYASHI T, 1954, J FAC SCI U TOKYO 2, V9, P183