00506nam a2200145Ia 4500008004100000010001400041040001700055082002200072110007600094245006100170260002400231300001700255500003600272650005200308190328s9999||||xx |||||||||||||| ||und||  a70-114641  aNITILcNITIL  221sta307.2bU58M  aUnited Nations Educational Scientific And Cultural Organisation (Paris) 0aMain trends of research in the social and human sciences  aParisbMoutonc1970  axlvii, 819p.  aContents: Pt.1. Social sciences  aSocial sciences-Research; Economics; Demography