G. H. Pemberton

Pemberton, G. H., & Hertogh, A. A. de. (1994). Influence of harvest date and 2C storage on floral development of Dutch-grown Astilbe. Journal of the American Society for Horticultural Science, 119(2), 144.

Pemberton, G. H., & Hertogh, A. A. de. (1992). Floral development of Astilbe x arendsii. Acta Horticulturae, (325), 229.