2000 journal article
Influence of photoperiod and day/night temperatures on flowering of Amaryllis (Hippeastrum) cv. Apple Blossom
Proceedings of the XXV International Horticultural Congress : Brussels, Belgium, 2-7 August, 1998, (515), 129.
1998 journal article
Influence of bulb packing systems on forcing of Dutch-grown Hippeastrum (Amaryllis) as flowering potted plants in North America
HortTechnology, 8(2), 175–179.
Basic forcing requirements for Israeli-grown Ornithogalum dubium
In Seventh International Symposium on Flower Bulbs, March 10-16, 1996, Herzliya, Israel (Acta horticulturae ; no. 430) (pp. 227–232).