{| class="wikitable floatright" style="font-size: 0.9em; width: 270px;"
|+ Minor planets discovered: 4644 Van Houten-Groeneveld died on 30 March 2015, at the age of 93, in Oegstgeest, Netherlands.
The Themistian main-belt asteroid 1674 Groeneveld – discovered by Karl Reinmuth at Heidelberg and independently discovered by Finnish astronomer Yrjö Väisälä in 1938, was named in her honor ().
</references> <!-- end of reflist -->
External links
- I. van Houten-Groeneveld home page
- Symposium 85e verjaardag of 4 November 2006 (in Dutch)
- 2005 Annual report of the Leiden Observatory, see page 6.