TY - RPRT TI - Yellowstone bison fetal development and phenology of parturition AU - P.J.P. Gogan AU - K.M. Podruzny AU - E.M. Olexa AU - H.I. Pac AU - K.L. Frey PY - 2005 DO - 10.2193/0022-541x(2005)69[1716:ybfdap]2.0.co;2 UR - https://pubs.usgs.gov/publication/70027834 ID - 70027834 ER -