TY - BOOK ED - ITC Specialist Seminar (1991 : Krakow, Poland) ED - Filipiak, Janusz, 1952- TI - Telecommunication services for developing economies: proceeding of the ITC specialist seminar, Krakow, Poland, 22-27 April, 1991 SN - 0444893326 PY - 1991/// CY - Amsterdam PB - Elsevier North-Holland KW - Telecommunication KW - Traffic KW - Congresses KW - Telecommunication systems KW - Integrated services digital networks KW - Computer networks ER -