LDR 00600naa#a2200181#i#450#
001     EN\\bibl\52930
005     20241205052001.4
011 ## _a2587-9936
100 ## _a20210625b2021####ek#y0engy0150####ca
101 0# _aRUS
102 ## _aRU
200 1# _aLee de Forest’s promotion of wireless phone innovation in the service market
       _eJournal article
210 1# _aSevastopol
       _cFederal State Educational Institution of Higher Education Sevastopol State University
       _d2021
215 ## _a39 с.
608 ## _aJournal article
       _2local
675 ## _a. 621.37-621.39(091)
       _zRUS
700 #1 _aPestrikov
       _gViktor M 
856 4# _arusjbpc.ru
       _u