Разширено търсене
Автор да съдържа Richard Horntvedt
Пр 908
Каталог "Книги"
Artificial inoculation with Ips typographys-associated blue-stain fungi can kill healthy Norway spruce trees
(1983)
Richard Horntvedt; et al.
Пр 908
Каталог "Книги"
Epiphytic Macrolichens on Scots pine related to air pollution from industry in Odda, western Norway
(1975)
Richard Horntvedt
Пр 908
Каталог "Книги"
Relative susceptibility of eleven conifer species to fluoride air pollution
(1975)
Richard Horntvedt; Hakon Robak