000 00370nam a2200157Ia 4500
008 160615s9999 xx 000 0 und d
100 _aABLON(Leon J)
245 _aBasic trigonometry
260 _bBenjamin Cummings
260 _c1974
300 _avi p. + 114
440 _aSeries in Mathematics Modules
942 _cBooks
999 _c9728
_d9728