TY  - RPRT
TI  - Sampling considerations involved with monitoring the nutritional status of gray wolves Canis lupus via biochemical analysis of snow-urine
AU  - G. D. DelGiudice
AU  - J. Stone
AU  - L.D. Mech
AU  - U.S. Seal
PY  - 1992
UR  - https://pubs.usgs.gov/publication/5210624
ID  - 5210624
ER  -