@article{61984,
      author = {Little, Elbert L. and Wadsworth, Frank Howard,},
      url = {http://library.usi.edu/record/61984},
      title = {Common trees of Puerto Rico and the Virgin Islands,},
      publisher = {U. S. Dept. of Agriculture, Forest Service; [for sale by  the Superintendent of Documents, U. S. Govt. Print. Off.]},
      recid = {61984},
      pages = {x, 548 p.},
      address = {Washington,},
      year = {1964},
}