| nr |
titel |
auteur |
tijdschrift |
jaar |
jaarg. |
afl. |
pagina('s) |
type |
| 1 |
A lower triassic miospore assemblage from the Puesto Viejo formation, Argentina
|
Ottone, Eduardo G.
|
|
1991
|
68 |
3-4 |
p. 217-232
16 p.
|
artikel
|
| 2 |
An enigmatic cone from the Lower Permian of Taiyuan, China
|
Zhifeng, Gao
|
|
1991
|
68 |
3-4 |
p. 197-201
5 p.
|
artikel
|
| 3 |
An eocene fossil tree with cambial variant wood structure
|
Hueber, F.M.
|
|
1991
|
68 |
3-4 |
p. 257-267
11 p.
|
artikel
|
| 4 |
Computer-generated key to pollen of tribe Swartzieae (Leguminosae)
|
Vezey, Edward L.
|
|
1991
|
68 |
3-4 |
p. 289-302
14 p.
|
artikel
|
| 5 |
Contents volume 68, 1991
|
|
|
1991
|
68 |
3-4 |
p. 304-
1 p.
|
artikel
|
| 6 |
Correction
|
|
|
1991
|
68 |
3-4 |
p. 303-
1 p.
|
artikel
|
| 7 |
Phylogeny and evolutionary trends of Mesozoic ginkgoaleans — a preliminary assessment
|
Zhiyan, Zhou
|
|
1991
|
68 |
3-4 |
p. 203-216
14 p.
|
artikel
|
| 8 |
Preliminary palynological zonation of the Chinle formation, southwestern U.S.A., and its correlation to the Newark supergroup (eastern U.S.A.)
|
Litwin, Ronald J.
|
|
1991
|
68 |
3-4 |
p. 269-287
19 p.
|
artikel
|
| 9 |
The Jurassic flora of Andøya, northern Norway
|
Manum, S.B.
|
|
1991
|
68 |
3-4 |
p. 233-256
24 p.
|
artikel
|
| 10 |
Yunia dichotoma, a lower devonian plant from Yunnan, China
|
Shou-Gang, Hao
|
|
1991
|
68 |
3-4 |
p. 181-195
15 p.
|
artikel
|
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