TY  - BOOK
AU  - Myers Vayne L
AU  -  Shelton Ronald L
TI  - Survey methods for ecosystem management
U1  - U:(G:5):(D6,9(B), M0 
PY  - 1980///
CY  - New York
PB  - John Wiley U S A     
KW  - Modern - Geography
ER  -