Distinct subjects for predicate ns4:vdwstraal in graph http://purl.org/collections/nl/niod/dbpedia_dump.ttl sorted by frequency

Resource	Count
Antimoon	2
Bismut	2
Chloor (element)	2
Goud	2
Helium	2
Tin (element)	2
Krypton (element)	1
Kwik	1
Natrium	1
Platina	1
Telluur	1