@Book{ID,
  ALTauthor = 	 {Jacob Millman, Herbert Taub},
  ALTeditor = 	 {McGraw-Hill},
  title = 	 {Pulse, Digital, and Switching Waveforms},
  publisher = 	 {McGraw-Hill},
  year = 	 {1965},
  OPTkey = 	 {},
  OPTvolume = 	 {},
  OPTnumber = 	 {},
  OPTseries = 	 {},
  OPTaddress = 	 {},
  OPTedition = 	 {},
  OPTmonth = 	 {},
  OPTnote = 	 {},
  OPTannote = 	 {}
}

@Manual{ID,
  title = 	 {IPC-2221A},
  OPTkey = 	 {},
  OPTauthor = 	 {},
  OPTorganization = {},
  OPTaddress = 	 {},
  OPTedition = 	 {},
  OPTmonth = 	 {},
  OPTyear = 	 {},
  OPTnote = 	 {},
  OPTannote = 	 {}
}