00447nam a2200157Ia 4500003000900000008004100009020002200050040001600072080001500088100001700103245007200120260004800192300001300240650001400253650002200267IN-BaIIA211028s9999    xx            000 0 eng d  a978-0-521-38089-8  cIIA Library  a92:53bKRA  aKragh, Helge 0aDiraccHelge Kragh                                                   aCambridgebCambridge University Pressc1992  ax, 389p.  aBiography  aDirac - biography