Which plant? : identification keys for the Northwest European pollen flora extracted from Textbook of pollen analysis [by] Knut Faegri, Jons Iversen. 4th ed. [by] Knut Faegri, Peter Emil Kaland, Knut Krzywinski.
Faegri, Knut.
Iversen, Johannes.Textbook of pollen analysis.4th ed.
Faegri, Knut.Textbook of pollen analysis.4th ed.
Chichester : Wiley,
[1989?]
Cover title.