1. Mycorrhiza of orchids;Burgeff,1959
2. Phytohormone-like substances produced by single and mixed diazotrophic cultures of Azospirillum and Arthrobacter;Cacciari;Plant Soil,1989
3. Orchid mycorrhizal associations;Clements;Lindleyana,1988
4. The plant hormone concept: concentration, sensitivity, and transport;Davies,1995
5. Promotion of plant growth and yield by two rhizoplane fluorescent pseudomonads;Dileep;Indian J. Exp. Biol.,1998