000 00301nam a2200121Ia 4500
008 211105s9999 xx 000 0 und d
020 _aVYASA10062
100 _aLeontyev A. N.
245 0 _aProblems Of The Development Of The Mind
250 _a\N
260 _bProgress Publishers
_c\N
300 _a455p.
999 _c3685
_d3685