Introducing the ley farming to the mediterranean basin: proceedings of an international workskop on ..... 26-30 June 1989, Perugia, Italy text Aleppo ICARDA 1993 Ind ix, 299 p.: ill.; 25 cm. ix, 299 p.: ill.; 25 cm. INTERNATIONAL WORKSHOP ON INTRODUCING THE LEY FARMING SYSTEM IN THE MEDITERRANEAN BASIN (1989 : Perugia) ALLEY CROPPING 631.153 631.153INTi INLIS000000000011068 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)