The prediction of annual egg production from the records of limited periods /
Harris, Arthur J.
The prediction of annual egg production from the records of limited periods / Arthur J. Harris W. F. Kirkpatrick and A. F. Blakeslee - Washington : The Academy, 1921 - 213-219 p. : ill. ; 26 cm - Proceedings of the National Academy of Sciences ; 7 .
The prediction of annual egg production from the records of limited periods / Arthur J. Harris W. F. Kirkpatrick and A. F. Blakeslee - Washington : The Academy, 1921 - 213-219 p. : ill. ; 26 cm - Proceedings of the National Academy of Sciences ; 7 .