De spannendste avonturen van Donald DuckJosé Colomer Fonts, Tom Anderson, Dave Angus, Leendert Jan Vis, Jack Sutter, John Kane, Frank Jonker, R. Straatman, Carol McGreal, Pat McGreal, Dimitri Heikamp · First published 2015Open the Tome
Monitoring of nuclear activity during pollen development and androgenesis in Brassica napus LKees R. Straatman · First published 1999Open the Tome
