@article{159203,
      note = {Cover title.},
      url = {http://library.usi.edu/record/159203},
      title = {Homestudy course 3015-G, environmental protection :  general directions and course information.},
      publisher = {Center for Professional Development and Training, U.S.  Dept. of Health and Human Services, Public Health Service,  Centers for Disease Control,},
      recid = {159203},
      pages = {5 leaves ;},
      address = {[Atlanta, Ga.?] :},
      year = {1983},
}