00501     2200181   4500001002100000005001500021035002000036008004100056082001000097090001700107100002100124245005300145260003600198300002700234650003200261084001600293250001000309INLIS00000000000313520211101122735  a0010-0521003135211101                |          | dut    a633.9  a633.91/HAR/o0 aHarpen, N.H. van1 aDe ontrooming van hevea-latex /cN.H. van Harpen  aDeventer :bW. Van Hoeve,c1944  a95 p. :bill. ;c24 cm 4aHEVEA BRASILIENSIS -- LATEX  a633.9 HAR d  aNo. 3