na INLIS000000000023881 Ind 0010-1218005719 Investigations on oil palms RUTGERS, A.A.L. A.A.L. Rutgers Batavia Ruygrok 1922 vi, 125 p. : ill. ; 29 cm + App. vi, 125 p. : ill. ; 29 cm + App. 634.614(921)RUTi Bibl.: p. 113-116 634.614(921) ELAEIS GUINEENSIS 284/D/73