Symposium on the Timing of Field Production of Vegetables Wageningen, Netherlands, International Society for Horticultural Science. Section Vegetables, Booij, R., & Dekker, P. H. M. (1990). Symposium on the Timing of Field Production of Vegetables: Wageningen, the Netherlands, August 21-25, 1989. International Society for Horticultural Science.

Symposium on the Timing of Field Production of Vegetables Wageningen, Netherlands, International Society for Horticultural Science. Section Vegetables, R. Booij, and P. H. M. Dekker. Symposium on the Timing of Field Production of Vegetables: Wageningen, the Netherlands, August 21-25, 1989. Wageningen, Netherlands: International Society for Horticultural Science, 1990.

Symposium on the Timing of Field Production of Vegetables Wageningen, Netherlands, et al. Symposium on the Timing of Field Production of Vegetables: Wageningen, the Netherlands, August 21-25, 1989. International Society for Horticultural Science, 1990.