00801nam0-2200289---450-99000956240040332120120424154013.0000956240FED01000956240(Aleph)000956240FED0100095624020120424d1981----km-y0itay50------baengGB--------001yyData collection in developing countriesD. J. CasleyD. A. LuryOxfordClarendon1981244 p.24 cm.CasleyD. J.88883Lury,D. A.102934ITUNINARICAUNIMARCBK990009562400403321ISVE C8-C9.93030DECTSDECTSData collection in developing countries847075UNINA