000			00382nam a2200157Ia 4500
008			180710s9999 xx 000 0 und d
020			_a117386
082			_a516.15 _bSOM
100			_aSOMMERVILLE, D.M.Y.
245			_aAnalytical conics
250			_a3rd ed., rev.
260			_aLondon _bG Bell pub. _c1951
300			_aviii, 310 p.
650			_aAnalytical conics
942			_cS
999			_c56252 _d56252