000			00299nam a2200097Ia 4500
001			MPKV027467
008			120911s9999 xx 000 0 und d
245			_aQuarterly Review of Agricultural Economics Vol.21-22 No.2-4, 1-2, 4 _c;
246			_aQuarterly Review of Agricultural Economics
260			_c1968
999			_c26273 _d26273