00247nam a2200109Ia 450000500170000008000180001724500420003526000230007730000100010050000080011058300190011820260716043037.0 a13.09.09 T822 aTributes to professor George Beckford bISERaMonaJMc1989 a48 p. aIDS c3/7/00kM2LMGR