3 treff

World economic plants : a standard reference
John H. Wiersema, Blanca León
Bok Engelsk 2013
World eocnomic plants : a standard reference
John H. Wiersema, Blanca León
Bok Engelsk 1999
A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae)
John H. Wiersema
Bok Engelsk 1987