000 00371nam a2200157Ia 4500
008 210210b1957 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a512/66
100 _aSIDDONS (Hughs)
245 _aTrigonometry I
260 _aLondon
_bCambridge University Press
_c1957
650 _aTrigonometry
650 _aI
690 _aTrigonometry
906 _a007269
999 _c139679
_d139679