000 00292nam a2200121Ia 4500
008 160930s9999 xx 000 0 und d
100 _aAyres, Frank
245 _aTheory and Problems of Trignometry
250 _a3
260 _aNew Delhi
_bTMH
_c2005
300 _aviii,215p.;28cm
942 _cDB
999 _c8864
_d8864