@article{253100,
      recid = {253100},
      author = {Da Silva, Ed.},
      title = {High frequency and microwave engineering /},
      publisher = {Butterworth-Heinemann,},
      address = {Oxford ;},
      pages = {x, 429 p. :},
      year = {2001},
      note = {CD-ROM contains CAD package PUFF 2.1 for construction and  evaluation of circuits and a section on practical aspects  of design.},
      url = {http://library.usi.edu/record/253100},
}