TY - BOOK AU - Walker, John TI - Advances in Mobile Information Systems SN - 0890069514 U1 - 621.382 PY - 1999/// CY - Boston : PB - Artech House, KW - Mobile Communication Systems KW - Telecommunication Systems N1 - YY UR - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-89006-951-4.pdf ER -