TY  - RPRT
TI  - On the use of enumeration estimators for interspecific comparisons with comments on a 'trappability' estimator
AU  - J.D. Nichols
PY  - 1986
DO  - 10.2307/1381295
UR  - https://pubs.usgs.gov/publication/5222106
ID  - 5222106
ER  -