00402nam a2200133Ia 4500003000400000008004100004020002200045040000800067100002300075245009600098260004800194300001500242365001100257LDD181029s9999    xx            000 0 und d  a521532582c48.00  cLDD  aBlackorby, Charles 0aPopulation issues in social choice theory, welfare economics, and ethicscCharles Blackorby  aCambridgebCambridge University Pressc2005  aviii, 369p  b48.00