Proceedings of the twenty-ninth assembly of the International Rubber Study Group, 21 November - 29 November 1985, Abijan text London The Secretariat of the International Rubber Study Group 1986 eng iii, 150 p. : ill. ; 30 cm. International Rubber Study Group HEVEA BRASILIENSIS RUBBER CROPS RUBBER INDUSTRY TRADE RESEARCH 633.91(063) 633.91(063) ASS p 231123 20231123013601 INLIS000000000004273 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)