共 17 条
[1]
BALL OM, 1931, TEXAS AGR MECH COL 4, V2
[2]
METHACRYLATE AS AN EMBEDDING MEDIUM FOR WOODY TISSUES
[J].
STAIN TECHNOLOGY,
1963, 38 (01)
:23-&
[3]
BERRY EW, 1916, 91 US GEOL SURV PROF
[4]
BERRY EW, 1941, 193E US GEOL SURV PR
[5]
BERRY EW, 1930, 156 US GEOL SURV PRO
[6]
Chandler M.E.J., 1961, LOWER TERTIARY FLORA
[7]
Dilcher DL, 1965, PALAEONTOGR ABT B, V116B, P1
[8]
Eyde R. H., 1963, Journal of the Arnold Arboretum, V44, P328
[9]
Eyde R. H., 1963, Journal of the Arnold Arboretum, V44, P1