000 00241 a2200073 4500
245 0 _aProvisional Glossary of Telecommunications Terms /
_c.
710 2 _aInternational Telecommunication Union.
_eWydawca
_4pbl
260 _aGeneva :
_bITU,
_c1979.
300 _a948 s.;
_c35 cm.
999 _c10685
_d10685