TY  - RPRT
TI  - Biological Diversity: Problems and Challenges
AU  - S.K. Majumdar
AU  - F. Brenner
AU  - J.E. Lovich
AU  - J. Schalles
PY  - 1994
UR  - https://pubs.usgs.gov/publication/81498
ID  - 81498
ER  -