na INLIS000000000003698 20210519134914 210519||||||||| | ||| |||| || | 010-0521003698 en 633.91 633.91/MOR/p Sidney Morgan The preparation plantation rubber London The Rubber Growers\' Association 1913 x, 269 p.: ill.; 25 cm.+ Indeks HEVEA BRASILIENSIS -- PLANTATIONS