@article{108532,
      note = {Includes index.},
      url = {http://library.usi.edu/record/108532},
      title = {Trees.},
      publisher = {U.S. Govt. Print. Off.},
      recid = {108532},
      pages = {xiv, 944 p.},
      address = {Washington,},
      year = {1949},
}