000 00290nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a516.24SIL:T
100 _aSilver, Howard A
245 0 _aTrigonometry
260 _aPrentia Hall
_bNew Jersey
_c1992
942 _cREF
999 _c14718
_d14718