00338nam a2200157Ia 4500008004100000020001600041035000900057082001600066100001700082245001900099250000600118260003300124300000800157500000900165650000600174210723s9999||||xx |||||||||||||| ||und||  a333 II887 I  a6247  a324.22BBIR  aBirch, A. H. 0aRepresentation  a-  aLondonbMacmillan Press Ltd.  a149  a6343  a-