000 00415 a2200097 4500
020 _a9261050514
920 _a92-61-05051-4
245 0 _aRural Telecommunications :
_bBasic Aspects, Problems, Criteria, Instructions and Suggestions Concerning Maintenance of Rural Telecommunications Network /
_c.
_nVol. 3
710 2 _aInternational Telecommunication Union.
_eWydawca
_4pbl
260 _aGeneva :
_bITU,
_c1992.
300 _a82 s.:
_bil.;
_c30 cm.
999 _c774
_d774