Darrah, William C.
Principles of paleobotany - 2nd ed. - New York Ronald Press 1960 - x, 295 s. : ill.
EVOLUTION PALAENTOLOGY PALEOBOTANY PLANT ANATOMY
561.1
Principles of paleobotany - 2nd ed. - New York Ronald Press 1960 - x, 295 s. : ill.
EVOLUTION PALAENTOLOGY PALEOBOTANY PLANT ANATOMY
561.1