00763nam a2200217Ia 4500001001100000005001700011008004300028020001500071020001500086020001800101020001800119050001100137090001900148245010600167260008400273300003000357650004400387650004500431653005400476999001500530000001377720251012174529.0  120414s1983    mdu           000 0 eng d  a0801828287  a0801828295  a9780801828287  a978080182829414aHE863504a384.09172421910aTelecommunications and economic developmentcRobert J. Saunders, Jeremy J. Warford, Bjorn Wellenius.   aBaltimorebpubl. for the World Bank [by] Johns Hopkins University Pressc1983.   axvi, 395 s.bfig.c25 cm. 0aTelecommunicationxMathematical models. 0aTelecommunicationzDeveloping countries.  aDeveloping countriesaTelecommunication services.  c5463d5463