International Code of the Botanical Nomenclature - Lanjouw J; Baehni, C.H.; Robyns, W.; Ross, R.; Rousseau, J.; Schopf, J.M.; Schulze, G.M.; Smith, A.C.; Vilmorin, R. De; Stafleu, F.A. (Utretch, Netherlands I.U.B.S.-UNESCO, 1961)
Keywords: Botany