@article{96495,
      recid = {96495},
      author = {Andrewartha, H. G.},
      title = {Introduction to the study of animal populations},
      publisher = {Univ. of Chicago Press},
      address = {[Chicago]},
      pages = {xiv, 283 p.},
      year = {1971},
      url = {http://library.usi.edu/record/96495},
}