01133cas a22003017a 450000500170000000800410001701000100005801100100006802200140007803500100009224500740010224600080017626000630018430000070024731000180025436200190027265000680029186600320035986600600039186600600045186600560051186600600056786600600062786600600068786600240074786600360077186600240080720220329142050.0990520c1948    uk tr p rnn   0  0b1eng d  a77869  a788410 a0021-857X  a8894200aJournal of Agricultural Economicsc/by Agricultural Economics Society  aJAE0 aAshford, England :bAgricultural Economics Society,c1948-  av.  aCuatrimestral1 av.49 n.3, 199814aAgriculturaxAspectos económicosxPublicaciones periódicas.  av. 49 n. 3 (September 1998)  av. 50 n. 1 (January 1999) - v. 50 n. 3 (September 1999)  av. 51 n. 1 (January 2000) - v. 51 n. 3 (September 2000)  av. 54 n. 2 (May 2003) - v. 54 n. 3 (September 2003)  av. 55 n. 1 (January 2004) - v. 55 n. 3 (September 2004)  av. 57 n. 1 (January 2006) - v. 57 n. 3 (September 2006)  av. 58 n. 1 (January 2007) - v. 58 n. 3 (September 2007)  av.19 n.1-3 - (1968)  av.23 n.1 v.47 n.3 - (1972-1996)  av.49 n.1-2 - (1998)