Moreau, B., Dufey, J., & Chiang Naikan, C. (1990). Evolution of the aggregate stability of a silty soil amended with organic residues and mineral nitrogen. In Moreau, Benoît ; Dufey, Joseph ; Chiang Naikan, Claude (ed.), Proccedings of the 1st Congress of the European Society of Agronomy (p. Colmar, ESA, session 5,p.23 (ISBN 2-9505124-02).). esa. https://hdl.handle.net/2078.5/34573