Digel, B. Dept. of Plant Developmental Biology (George Coupland), MPI for Plant Breeding Research, Max Planck Society; IMPRS, MPI for Plant Breeding Research, Max Planck Society;
http://kups.ub.uni-koeln.de/6362/ (Any fulltext)
Digel, B. (2014). The effect of natural genetic variation at Ppd-H1 on the regulation of pre-anthesis development in barley (Hordeum vulgare L.) in response to the photoperiod. Dissertation. PhD Thesis, Universität zu Köln, Köln.