Respiration /

Photosynthesis /

Photosynthesis /

Engström-Respirator /

Grass Seeders.

Günter Grass /

Sediment transport in alluvial streams /

Respiration in health and disease /

Respiration and crop produktivity /

Biochemistry of Photosynthesis /

Microtus Arvalis on the known and unknown meadow /

Bürger Grass : Biografie eines deutschen Dichters /

Photosynthesis and related processes. Vol. II Part 2 Kinetics of photosynthesis /

Drugs and Respiration : proceedings of the 2nd International Pharmacological Meeting, Prague, 20-23 August, 1963 /

Günter Grass: ; Die Blechtrommel : Erläuterungen und Dokumente /

Artificial respiration Babylog 8000 plus.

Grass - the yearbook of agriculture 1948.

Macrophyte photosynthesis and aquatic environment /

Photosynthesis during leaf development /

Günter Grass: Werk und Wirkung /

Photosynthesis and respiration of some alluvial meadow grasses : responses to irradiance, temperature and CO2 concentration /