000 00316nam a2200145Ia 4500
003 IN-KoSCC
008 211107s9999 000 0 eng
082 _a514.1-21
100 1 _aLiddous,A.W
245 1 _aTrigonometry(complete)
260 _c1929
653 _aMathematics
700 _aHughes,R.T
942 _cBK
999 _c33409
_d33409