TY  - RPRT
TI  - Evaluation of a hand-reared mallard release program in Maryland
AU  - Vernon D. Stotts
AU  - A. D. Geis
AU  - G.V. Burger
PY  - 1971
UR  - https://pubs.usgs.gov/publication/5210427
ID  - 5210427
ER  -