TY - BOOK AU - GARG V .K .WILKES J .E . TI - PRINCIPLES AND APPLICATION OF GSM SN - 978 - 81 - 7758 - 879 - 8 U1 - 005.45 PB - DORLING KINDERSLEY INDIA PVT .LTD PEARSON EDU ND KW - NETWORK THEORY (S.E.) N1 - 14392 ER -