TY  - BOOK
AU  - Garrett Wilbur E.
TI  - National geographic magazine, July - December,1984, No.1,2,3,4,5,6,  Vol. 166
U1  - 50 
PY  - 1984///
CY  - Washington
PB  - National Geographic Society
KW  - General Serial Publications And Their IndexesTHE VASCULAR CRYPTOGAMS, PSILOPHYTA, PSILOTALES, LYCOPHYTA, FILICOPHYTA OR PTEROPHYTA, LEPTOSPORANGIOPSIDA
ER  -