000 00261nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _bRUD
100 _aRudramamba, B.
245 0 _aProblems of Teaching
260 _bA.P.H
_c2004
300 _a203
942 _cBK
999 _c1257
_d1257