@article{60533,
      author = {Snodgrass, R. E.},
      url = {http://library.usi.edu/record/60533},
      title = {Principles of insect morphology,},
      publisher = {McGraw-Hill Book Company, inc.,},
      recid = {60533},
      pages = {ix, 667 p.},
      address = {New York,},
      year = {1935},
}