000 00358nam a2200157Ia 4500
001 15967
008 170722s9999 xx 000 0 und d
100 _aAbbott, P.
245 _aTrigonometry /
260 _bELBS ,
_c1975.
300 _a204 p.
_c17cms
490 _aTeach yourself books
653 _aMathematics
653 _aTrigonometry
942 _cGEN
999 _c90721
_d90721