@article{5076,
      recid = {5076},
      author = {Parker, Harry,},
      title = {Simplified design of roof trusses for architects and  builders.},
      publisher = {Wiley},
      address = {New York,},
      pages = {278 p.},
      year = {1953},
      url = {http://library.usi.edu/record/5076},
}