共 56 条
- [1] [Anonymous], 1965, SEDIMENTOLOGY, DOI DOI 10.1111/J.1365-3091.1965.TB01561.X
- [2] ARBER N, 1908, ANN BOT, V22, P489
- [3] ASH S R, 1972, Palaeontology (Oxford), V15, P598
- [4] Beck C. B, 1976, ORIGIN EARLY EVOLUTI, P139
- [5] Berry E.W., 1911, LOWER CRETACEOUS, P214
- [6] Blanc-Louvel C, 1983, ANN PALEONTOL, V69, P151
- [7] BRENNER G., 1976, ORIGIN EARLY EVOLUTI, P23
- [8] Brenner G.J., 1963, B MD DEP GEOL MINES, V27, P1
- [9] Coulter, 1917, MORPHOLOGY GYMNOSPER
- [10] Crane P. R., 1987, ORIGINS ANGIOSPERMS, P107