na INLIS000000000003103 20210519133536 210519||||||||| | ||| |||| || | 010-0521003103 en 633.91/MOR/p 633.91/MOR/p Sidney Morgan Henry P. Stevens Preparation of plantation rubber London Constable & Co. LTD 1922 xvi, 331 p.: ill.; 23 cm. + index CULTIVATION -- HEVEA BRASILIENSIS -- PLANTATIONS