Ecological changes due to thinning jack pine by Hansen, T.S

Perennials and their garden habitats by Hansen, Richard

Sample survey methods and theory by Hansen, Morris H.

Sample survey methods and theory by Hansen, Morris H.

Symbiotic nitrogen fixation of crop legumes by Hansen, Alexander P.

The Eastwide forest inventory data base : Users manual by Hansen, Mark H...[et.at]

In Situ PCR techniques by Bagasra, Omar

Other Authors: “…Hansen, John…”

Timber engineers handbook

Other Authors: “…Hansen, Howard J., ed…”

Landscape boundaries : consequences for biotic diversity and ecological flows

Other Authors: “…Hansen, Andrew J., ed…”

Nitrogen organic wastes applied to soils

Other Authors: “…Hansen, Jens Aa., ed…”

Orchid Genera in Thiland V: Orchidoideae by Seidenfaden, Gunnar

Other Authors: “…Morten Lange, Lise Hansen and Jette Baagoe (ed)…”

Global forest monitoring from earth observation

Other Authors:

The insects : an outline of entomology by Cranston, P.S

Other Authors:

Orchid Genera in Thiland IX: Flickingeria hawkes and Epigeneium gagnep. by Seidenfaden, Gunnar

Other Authors: “…Lange, Morten., Hansen, Lise amd Baagoe Jette (ed)…”