00269 am a2200109 4500001000500000005001700005008004100022020001500063040002700078245001000105260004400115710520260327110237.0 s2004 xr ---------u-------ang d a0521754739 aGJHKNbczeerdacGJHKN00aPET 3 aCambridgebCamb. University Pressc2004