Observações sobre a borracha do gênero Sapium.

Made available in DSpace on 2014-06-27T06:26:29Z (GMT). No. of bitstreams: 1 IANBT31P289.pdf: 1156389 bytes, checksum: 42616baad242cbfbcfc7f00726e85ebe (MD5) Previous issue date: 1997-03-1