000 00274nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aDurell, C V
245 0 _aAdvanced Trigonometry
260 _bG Bell And Sons
_aLondon
_c1946
650 _aAdvance Trigonometry
942 _cBK
999 _c9311
_d9311