• publisher: Washington, D.C. : U.S. Dept. of Agriculture
  • creator: Spencer, Herbert, 1894- Brown, Luther, 1891- Phillips, Arthur M., 1903-
  • contributor: Brown, Luther, 1891- Phillips, Arthur M., 1903-
  • Keyword: Pecan Diseases and pests Biological control.
  • years: 1949.
  • pages: 17 p. :
  • notes: Caption title.
  • download: pdf file