00559     2200193   4500001002100000005001500021035002000036007000300056008004100059020001400100082000800114084001400122245008200136260004800218300003800266650001500304110003200319990001400351INLIS00000000000396920251024020153  a0010-1025000427ta251024                g          0 ind    a0215-0468  a633  a633 PUS b1 aBuletin Perkebunan Vol. 20 No. 4 Desember 1989 /cPusat Penelitian Perkebunan  aMedan :bPusat Penelitian Perkebunan,c1989  a157,  230 hlm :bilus. ;c24,5 cm 4aPerkebunan0 aPusat Penelitian Perkebunan  aBUN027737