共 13 条
[1]
ALLMAN M, 1972, GEOLOGICAL LABORATOR
[2]
BARNES CR, 1987, CONODONTS INVESTIGAT, P67
[3]
BREM H, 1974, CANCER RES, V34, P2576
[4]
COLLINSON C, 1963, 343 ILL STAT GEOL SU
[5]
Ellison Samuel, 1944, JOUR PALEONTOL, V18, P133
[6]
FREEMAN EF, 1982, PALAEONTOLOGY, V25, P471
[7]
HAUFF PL, 1980, 827 US GEOL SURV CIR
[8]
KAZANTZIS G, 1979, HDB TOXICOLOGY METAL, P637
[9]
MERRILL GK, 1985, J PALEONTOL, V59, P479
[10]
Merrill GK, 1987, CONODONTS INVESTIGAT, P63