共 58 条
[1]
UPPER ORDOVICIAN TRILOBITES OF ZONAL VALUE IN SOUTH-EAST SHROPSHIRE
[J].
PROCEEDINGS OF THE ROYAL SOCIETY SERIES B-BIOLOGICAL SCIENCES,
1949, 136 (883)
:291-313
[2]
BASSETT DOUGLAS ANTHONY, 1966, QUART J GEOL SOC LONDON, V122, P219
[3]
BASSETT MG, 1975, 7513 I GEOL SCI REP, P1
[4]
BASSETT MG, 1979, IZVEST AKAD NAUK KAZ, V4, P115
[5]
BASSETT MG, 1979, MAR ORD SIL BOUND WO, P1
[6]
Bergstrom S.M., 1971, Memoirs Geological Society of America, V127, P83
[7]
Bergstrom S. M., 1971, Mem Bur Rech Geol Minier, VNo. 73, P177
[8]
Bergstrom S.M., 1980, Geologiska Foreningens i Stockholm Forhandlingar, V102, P377
[9]
BLUCK BJ, 1980, GEOLOGY, V8, P492, DOI 10.1130/0091-7613(1980)8<492:AAOOBO>2.0.CO
[10]
2