000 00262nam a2200121Ia 4500
020 _a-
082 _a510
_bLON
100 _aLoney
_934618
245 _aPlane Trigonometry
_cS.L.Loney
260 _aIndia
_bSurjeet Publications
_c2004
300 _a211+
942 _cREF
999 _c5027
_d5027