TY  - BOOK
ED  - United States.
ED  - pacific Southwest Forest and Range Experinmental Station
TI  - Polo: a user guide to probit or logit analysis
U1  - 330 
PY  - 1981///
CY  - Washington,D.C.
PB  - United States Government Printing Office
KW  - Logit
KW  - Probit
ER  -