000 00409cam a2200169ua 4500
041 _aeng
_h
082 _a516.24
_bHAL/EL
100 _aHall, H S .
245 _aElementary trigonometry /
_cH S Hall.
_hTextual Documents
250 _a1 /
_b.
260 _aLondon :
_bMcMillon & Co Ltd ,
_c1962.
300 _a443 ; .
504 _a
700 1 _aKnight, S R .
942 _cBK
999 _c259456
_d259456