000 00694nam a2200241Ia 4500
003 OSt
005 20220925185802.0
006 a|||||r|||| 00| 0
007 ta
008 220923b |||||||| |||| 00| 0 eng d
037 _cGeneral Book
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _aY:3(Q), L1
100 _aBaal J Van
_9235802
245 0 _aSymbols for communications
_b An introduction to
260 _aAssen
_bKoninklijke van Goreum and Comp
_c1971
300 _axii,295p
_ccm.
490 _aStudies of Developing Countries
500 _aBibliography: P 281-293
942 _hY:3(Q), L1
_cGB
_2CC
999 _c512205
_d512205