00366nam a22001457a 4500003000500000020002100005038001200026082001600038100002400054245006700078260003300145300001200178500001500190563001500205NUST  a978-14-2007090-3  akhadija  a004.62bAGB  aAgbinya, Johnson I.  aIP Communications and Services for NGN  /cJohnson I .Agbinya.  aNew York,bCRF press,c2008.  a373p. :  aHardcover.  ahard cover