Barwick, S.Butler, D.2009-12-212009-12-212008Innovations in Incidence Geometry, 2008; 8(1):39-481781-64752640-7345http://hdl.handle.net/2440/54857In this article, the lines not meeting a quadric cone in PG(3, q) (q odd) are characterised by their intersection properties with points and planes.enA characterisation of the lines external to a quadric cone in PG(3,q), q oddJournal article002009326810.2140/iig.2008.8.3937136Barwick, S. [0000-0001-9492-0323]