00705nam a2200193Ia 4500001001100000005001700011008004300028020001500071020001500086020001800101020001800119050001100137245010600148260008400254300003000338650004400368650004500412653005400457000001377720251012174529.0  120414s1983    mdu           000 0 eng d  a0801828287  a0801828295  a9780801828287  a978080182829414aHE863510aTelecommunications 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.