000 00291nam a2200121Ia 4500
008 240112s9999 xx 000 0 und d
082 _aBOB-G
_b330
100 _aBobrov, Leo
245 0 _aGrounds for optimism
260 _a Moscow
_bMir Publishers
_c1977
650 _aEconomics
942 _cBK
999 _c18326
_d18326