@article{54707,
      author = {Levitt, J.},
      url = {http://library.usi.edu/record/54707},
      title = {Introduction to plant physiology.},
      publisher = {C. V. Mosby Co.,},
      recid = {54707},
      pages = {vii, 304 p.},
      address = {St. Louis,},
      year = {1969},
}