W. Krul

发表

M. Gordon, E. Nester, A. Montoya, 1985, Molecular and General Genetics MGG.

C. Simões, N. Albarello, W. Krul, 1999, Plant Cell, Tissue and Organ Culture.

J. F. Worley, W. Krul, 1977, Journal of the American Society for Horticultural Science.