共 42 条
[11]
DRICOT E, 1989, GEOBOUND BRUXELLES, V2, P114
[12]
Fleming M. P., 1998, Journal of the International Hemp Association, V5, P80
[13]
GODWIN H, 1967, Review of Palaeobotany and Palynology, V4, P71, DOI 10.1016/0034-6667(67)90173-X
[17]
LAITINEN E, J INT HEMP ASS, P96
[18]
Latalowa Malgorzata, 1992, Acta Palaeobotanica, V32, P123
[19]
Lopez-Saez Jose Antonio, 1998, Revue de Paleobiologie, V17, P445