000 003720000a22001570004500
245 _aTrigonometry : a skills approach
100 _aNanney, J. Louis
100 _aCable, John L.
260 _aBoston
_bAllyn And Bacon
_c1979
300 _aix 246p : ill.
020 _a0205069207
080 _a514
_bN3
650 _aTRIGONOMETRY
041 _aEN
942 _cBK
_01
999 _c30269
_d30269