TY  - RPRT
TI  - Biological diversity: Science and action
AU  - Fritz L. Knopf
AU  - Fred B. Samson
PY  - 2002
DO  - 10.1046/j.1523-1739.1994.08030909.x
UR  - https://pubs.usgs.gov/publication/70129013
ID  - 70129013
ER  -