BRI text (s l.) (s n.) 1980 23 p. : ill. ; 28 cm CREDITS FARMING SYSTEM KREDIT 336.77 336.77 INLIS000000000002956 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)