Bilan énergétique de la feuille. Application de l'étude des cinétiques de température à la détermination des résistances aux flux gazeux
A Quantitative account of the influence of solar radiation, water and nitrogen supply on the photosynthesis of wheat communities in the field
![In the times of the coronavirus, a look back to the Manifesto for a new popular internationalism in Europe In the times of the coronavirus, a look back to the Manifesto for a new popular internationalism in Europe](https://www.cadtm.org/local/cache-vignettes/L640xH343/arton17237-67eed.jpg?1680790716)