000 00342 a2200157 4500
020 _a0340549130
082 _a516.24
_bABB
090 _c3922
_d4856
100 _aAbbott, P.
245 _aTrigonometry
260 _aLondon
_bNTC
_c1970
_g1991
300 _ax, 193p.
_c21cm.
650 _aTrigonometry
700 _aWardle, M.E.
942 _cSR
999 _c32901
_d32901