TY - RPRT TI - Energy demands for maintenance, growth, pregnancy, and lactation of female Pacific walruses ( Odobenus rosmarus divergens ) AU - Shawn R. Noren AU - Mark S. Udevitz AU - Chadwick V. Jay PY - 2014 DO - 10.1086/678237 UR - https://pubs.usgs.gov/publication/70134754 ID - 70134754 ER -