Structure and Function of Roots: Proceedings of the Fourth International Symposium on Structure and Function of Roots, June 20–26, 1993, Stará Lesná, Slovakia

Plant Roots - From Cells to Systems: Proceedings of the 14th Long Ashton International Symposium Plant Roots — From Cells to Systems, held in Bristol, U.K., 13–15 September 1995

Interactions in the Root Environment — An Integrated Approach: Proceedings of the Millenium Conference on Rhizosphere Interactions, IACR-Rothamsted, United Kingdom 10– April, 2001