TY - RPRT TI - Spatial variation in transferrin allele frequencies among herds of feral donkeys in Death Valley National Monument, California AU - J.G. Blake AU - C. L. Douglas AU - L.F. Thompson PY - 1981 DO - 10.2307/1380477 UR - https://pubs.usgs.gov/publication/1007517 ID - 1007517 ER -