By Wichmann L.   Ravn H.P.   in Forest Ecology and Management

ISSN:0378-1127|148|1|31-39

Elsevier‎(2001)‎

Access to resources Favorite 16.15179

By Merivee E.   Rahi M.   Bresciani J.   Ravn H.P.   Luik A.   in International Journal of Insect Morphology and Embryology

ISSN:0020-7322|27|4|311-318

Elsevier‎(1998)‎

Access to resources Favorite 11.304235

Ecology and Management of Giant Hogweed (Heracleum Mantegazzianum)‎

By Pysek   P.; Cock   M.J.W.; Nentwig   W.; Ravn   H.P.  

ISBN:9781845932077

CABI Publishing‎(2007)‎

Access to resources Favorite 9.695112