Ash, Sidney R.
A high latitude Upper Triassic Flora from the Heiberg Formation, Sverdrup Basin, Arctic Archipelago - Ottawa, Ontario Geological Survey of Canada 1991 - pp. 101-131
PALEOBOTANICA
TRIASICO
ARTICO
A high latitude Upper Triassic Flora from the Heiberg Formation, Sverdrup Basin, Arctic Archipelago - Ottawa, Ontario Geological Survey of Canada 1991 - pp. 101-131
PALEOBOTANICA
TRIASICO
ARTICO