00262nam a2200109 a 450000500170000002000150001708200180003210000210005024500260007126000350009730000200013220251203091000.0  a071561150X  a190.903,bqui  aQuinton, Anthony  aThoughts and thinkers  aLoNew Delhion: Duckworthc1982  ax,365p.c22 cm.