000 00281nam a22001097a 4500
082 _a346.470482 BOG/U
100 _aBoguslavskiĭ, M. M
245 _aU.S.S.R. and international copyright protection
260 _aMoscow
_bProgress publishers
_c1979
300 _a303p.
942 _cBK
999 _c643047
_d643047