000 00313nam a2200109Ia 4500
008 221125s1988 xx 000 0 eng d
100 _aZhivkov, Todor
245 0 _aSome problems and tasks related to the restructuring of the intellectual sphere
260 _bSofia press
_c1988
300 _a38p
942 _2ddc
_cBK
999 _c45109
_d45109