00729nas 2200241 450 00000235920080717172026.00005-858020010108b19221983km-y0itay50------baengUSagaz---0uu-<<The >> Bell system technical journalAmerican Telephone and Telegraph CompanyNew-YorkAmerican Telephone and Telegraph Co.1922-1983fascicoliBimestraleTelecomunicazioniAmerican Telephone and Telegraph CompanyITUNIPARTHENOPERICAUNIMARC0000023591963-1982PISTBell system technical journal799528UNIPARTHENOPE