Affiliations Courses Research 1968HeadDepartment Of Botany University1966[position unknown]University Of Nijmegen1966Head And Professor Of BotanyUniversity Of Nijmegen1968[position unknown]University Of Nijmegen1969[position unknown]University Of Nijmegen 1966Fertilization And Gamete Physiology Research Training Program 1966Instructor1968Fertilization And Gamete Physiology Research Training Program 1968Instructor1969Fertilization And Gamete Physiology Research Training Program 1969Instructor 1966[subject unknown]Independent1968[subject unknown]Independent
