The Mississippian and Pennsylvanian (Carboniferous) systems in the United States : West Virginia and Maryland

Veröffentlicht in The Mississippian and Pennsylvanian (Carboniferous) systems in the United States ; A/L (1979)

Reproductive morphology and genetics of carica papaya (l.)

von Arkle, Thomas Dudley
Veröffentlicht 1973

Carboniferous of the southeastern United States : a symposium volume ; [based on papers presented at a symposium at the 1972 meeting of the Southeastern Section of The Geological...

Veröffentlicht 1974