000 00262nam a2200097 4500
245 _aGlobal problems and the future of mankind
_cI Frolov
100 _aFrolov, I..
260 _aMoscow,
_bProgress Publidhers
_c1982
300 _a310p.; 20cm.
082 _a301.243
_bFRO
999 _c44755
_d44755