01006nam a22002537a 450000500170000000800410001702000180005808200240007610000310010024501460013126000650027730000140034250400670035652600120042360000350043560000360047060000460050660000330055270000300058570000370061570000270065270000320067970000410071120260316090612.0260316b           ||||| |||| 00| 0 eng d  a9780081030097  a621.38456 R766 20201 aRommer, Stefan, eauthor.   a5G Core networks : bpowering digitalization / cStefan Rommer, Peter Hedman, Magnus Olsson, Lars Frid, Shabnam Sultana, Catherine Mulligan.   aLondon : bAcademic Press, and imprint of Elsevier,cc2020.   axi, 484p.  aIncludes bibliographical references (pp. 467-469) and index.    a600-699  a Mobile communication systems.  aWireless communication systems.  aGlobal system for mobile communications..  aRadiocommunications mobiles.1 a Hedman, Peter,eauthor. 1 aOlsson, Magnus, 1962- eauthor. 1 aFrid, Lars, eauthor. 1 aSultana, Shabnam,eauthor. 1 aMulligan, Catherine, 1976-eauthor.