000 00253nam a22000977a 4500
008 150831b xxu||||| |||| 00| 0 eng d
082 _a516.24 RIE
100 _aRIETZ H.L,
245 _aPLANE TRIGONOMETRY:
260 _aNEW YORK:
_bTHE MACMILLAN COMPANY,
_c1935.
999 _c1693
_d1693