@article{131204,
      recid = {131204},
      author = {Knobel, Edward, and Harrar, Ellwood S.},
      title = {Identify trees and shrubs by their leaves; a guide to  trees and shrubs native to the Northeast.},
      publisher = {Dover Publications},
      address = {New York,},
      pages = {47 p.},
      year = {1972},
      note = {First published in 1894 under title: A guide to find the  names of all wild-growing trees and shrubs of New England  by their leaves.},
      url = {http://library.usi.edu/record/131204},
}