000			00349cam a2200133u 4500
082			_a516 _bDUR _cL-2, P-5
100	1		_aDurell, Clement V.
245	1	2	_aA concise geometrical conics,
260			_aLondon, _bMacmillan and co., limited, _c1941.
300			_axvi, 99, [1] p. _bdiagrs. _c19 cm.
650		0	_aConic sections.
650		0	_aMCE
942			_cBK
999			_c3995 _d3995