@article{394035,
      recid = {394035},
      author = {Delaplane, Keith S. and Mayer, D. F.},
      title = {Crop pollination by bees [electronic resource] /},
      publisher = {CABI,},
      address = {Wallingford [England] ;},
      pages = {xv, 344 p. :},
      year = {2000},
      url = {http://library.usi.edu/record/394035},
}