Schram, F. R., & Vonk, R. (1997). Jan Hendrik Stock: 22 February 1931 - 17 february 1997. Journal of crustacean biology, 17, 562-564.
Schram, F. R., & Vonk, R. (1997). Jan Hendrik Stock: 22 February 1931 - 17 February 1997. Contributions to Zoology, 66, 3-7.
Vonk, R., & Notenboom, J. (1997). The phreatic aquifer of the plana de castellon (Spain): First Iberian record of ingolfiellid Amphipoda. Bollettino del Museo Civico di Storia Naturale di Verona, 20, 337-343.