1986
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|---|---|
| Volume 19 (1986) : | Collision Tectonics |
| Volume 20 (1986) : | Palaeoecology and Biostratigraphy of Graptolites |
| Volume 21 (1986) : | North Atlantic Palaeoceanography |
| Volume 22 (1986) : | The English Zechstein and Related Topics |
| Volume 23 (1986) : | Habitat of Palaeozoic Gas in N.W. Europe |
| Volume 24 (1986) : | The Nature of the Lower Continental Crust |
| Volume 25 (1986) : | Sedimentation in the African Rifts |