TY  - BOOK
AU  - Johnson,Anne
TI  - A student's guide to the ferns of Singapore Island
PY  - 1977///
CY  - Singapore
PB  - Singapore University Press
KW  - Ferns
KW  - Singapore
N1  - Originally published in The Malayan nature Journal, vol.13 nos.3 and 4, July 1959
ER  -