VRIES, O. De text Batavia Drukkerijen Ruygrok & Co 1920 eng xi, 637 p.: ill.; 24 cm. + Index O. De Vries HEVEA BRASILIENSIS -- PROPERTIES -- TESTING 633.91 633.91 VRI e 230302 20230302025827 INLIS000000000003255 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)