00329nas a22001097a 4500008004100000022001700041245006300058260006800121300000700189362000900196650001400205190206s9999    xx            000 0 und d  a 	0043-8219   aWorld Agricultural Economics and Rural Sociology Abstracts  aOxfordbThe Commonwealth Bereau of Agricultural Economicsc1967  av.  a1959  aEconomics