TY  - JOUR
A1  - Johnson, W C
A1  - Collinge, S K
T1  - Landscape effects on black-tailed prairie dog colonies.
Y1  - 2004//
N1  - R829091
JF  - BIOLOGICAL CONSERVATION
J1  - BIOL CONSERV
VL  - 115
IS  - 3
SP  - 487
EP  - 497
ER  -