000 00260nam a2200121Ia 4500
100 _aShatsky, Stanislav
942 _cBK
654 _a
245 _aTeachers experience
260 _aMoscow
_bProgress publishers
_c1981
082 _a370.4
300 _a2,342,2
999 _c360805
_d360805
041 _aeng