tanaman purba zaman devon
Bacaan lanjut
The identity of Archaeopteris and Callixylon
Journal Brittonia
Publisher Springer New York
ISSN 0007-196X (Print) 1938-436x (Online)
Issue Volume 12, Number 4 / October, 1960
DOI 10.2307/2805124
Pages 351-368
Subject Collection Biomedical and Life Sciences
SpringerLink Date Thursday, June 05, 2008

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