Authors: Pappers, SM van Dommelen, H van der Velde, G Ouborg, NJ

Citation: Sm. Pappers et al., Differences in morphology and reproductive traits of Galerucella nymphaeaefrom four host plant species, ENT EXP APP, 99(2), 2001, pp. 183-191

Authors: Pappers, SM de Jong, TJ Klinkhamer, PGL Meelis, E

Citation: Sm. Pappers et al., Effects of nectar content on the number of bumblebee approaches and the length of visitation sequences in Echium vulgare (Boraginaceae), OIKOS, 87(3), 1999, pp. 580-586