Utrecht : University of Utrecht , 2000 . 2 vols. : , Thesis (doctoral)- Universiteit Utrecht, 2000. "The research reported in the Thesis was carried out ... within the framework of the Tropenbos-Guyana programme ...and at the Utrecht branch of the National Herbarium of the Netherlands" p. 4. Text in English ; Summary also in Dutch. 9039325367 (pbk.)

Place Hold on Non-timber forest products of the North-West district of Guyana = Niet-hout bosprodukten van het Noordwest District van Guyana /