共 61 条
[31]
Leisman G. A., 1970, PALAEONTOGR ABT B, V129, P166
[32]
LEISMAN GA, 1974, 7 C INT STRAT GEOL C, V3, P351
[33]
LYON FM, 1901, BOT GAZ, V32, P121
[34]
LYON FM, 1901, BOT GAZ, V32, P170
[35]
Magdefrau K, 1931, BOT CENTRALBLATT S, V48, P119
[36]
Magdefrau K., 1968, PALAOBIOLOGIE PFLANZ
[38]
NEYBURG MF, 1961, DOKL AKAD NAUK SSSR, V136, P445
[40]
PHILLIPS TL, 1975, BOT SOC AM MISC PUBL, P23