TY - RPRT TI - The roles of food quality and quantity for desert tortoises: Perspectives on growth of individuals and populations AU - C.R. Tracy AU - T. C. Esque AU - C. Peterson AU - L.A. DeFalco AU - L.C. Zimmerman PY - 1992 UR - https://pubs.usgs.gov/publication/1017359 ID - 1017359 ER -