Mayor timber trees of Guyana a field guide.

por Polak, A. M.
Publicado 1992

Progress in Drug Research / Fortschritte der Arzneimittelforschung / Progrès des recherches pharmaceutiques

por Salmon, John A., Garland, Lawrence G., Hoyle, Brian D., Costerton, J. William., Seiler, Nikolaus., Raeburn, David., Karlsson, Jan-Anders., Polak, A., Hartman, P. G., Rohmer, Michel., Bisseret, Philippe., Sutter, Bertrand., Burger, Alfred.
Publicado 1991