000 00448nam a2200193Ia 4500
003 OSt
005 20220720111740.0
008 210210b1962 xxu||||| |||| 00| 0 eng d
040 _cAL
041 _aeng
082 _a512/21
100 _aHALL
_951698
245 _aElementary trigonometry
260 _aLondon
_bMacmillan & Co. Ltd.
_c1962
690 _aTrigonometry
_951699
700 _aKNIGHT
_951700
906 _a007224
942 _2ddc
_cBK
999 _c139631
_d139631