- Communication in Plants: Neuronal Aspects of Plant Life
- Secretions and Exudates in Biological Systems
- Structure and Function of Roots: Proceedings of the Fourth International Symposium on Structure and Function of Roots, June 20-26, 1993, Stará Lesná, Slovakia
- Signaling and Communication in Plant Symbiosis
- Long-Distance Systemic Signaling and Communication in Plants