ETSI GSM 04.01-1996 Digital Cellular Telecommunications System; Mobile Station - Base Station System (MS - BSS) Interface; General Aspects and Principles (GSM 04.01)
1996ETSI GSM 04.01-1996 Digital Cellular Telecommunications System; Mobile Station - Base Station System (MS - BSS) Interface; General Aspects and Principles (GSM 04.01)