000 00271nam a22001217a 4500
020 _a5010018942
082 _a362.042
_bNUI/C
100 _aNuikin,Andrei
245 _aChallenges we face
260 _aMoscow
_bProgress publishers
_c1989
300 _a231p.
942 _cBK
999 _c504745
_d504745