%0 U.S. Federal Government Document %0 Print %0 Book %A Ballard, W. S. (William Salisbury), 1881- %E Magness, J. R. (John Robert), 1894- %E Hawkins, Lon A. (Lon Adrian), 1880- %I U.S. Dept. of Agriculture %D 1922 %C Washington, D.C. %G English %B Bulletin of the U.S. Department of Agriculture ; %T Internal browning of the yellow Newton apple