Khan, Arshad Abbas. creator text Lahore A-One Publishers 2006 monographic 358 p. ; Digital communications Wireless communication systems Multichannel communication Radio--Receivers and reception Spread spectrum communications 621.381531KHA 978-1785611605 http://www.amazon.com/exec/obidos/ASIN/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/chopaconline-20