00485pamaa2200181 4500 0000052576 20140605090000.0 140605s2009 eng 9780199117864 519 JEF 2009 QA805 JEF 2009 JEFFERSON Mechanics M2 Brian Jefferson. Oxford: Oxford University Press, 2009. 129p.; 26cm. COPS Mechanics www.oxfordsecondary.co.uk