Berkaitan Richard Wagner Richard von Coudenhove-Kalergi Richard Huckle Richard Nixon Richard Feynman Richard Dawkins Richard I dari England Richardo Benito Richard Malanjum Richard Dreyfuss
Rujukan WikiPedia: Richard_Kuhn http://socialarchive.iath.virginia.edu/ark:/99166/... http://catalogo.bne.es/uhtbin/authoritybrowse.cgi?... //www.ncbi.nlm.nih.gov/pubmed/11040844 //www.ncbi.nlm.nih.gov/pubmed/4909158 http://aleph.nli.org.il/F/?func=find-b&local_base=... http://data.bibliotheken.nl/id/thes/p071319735 //doi.org/10.1016%2FS0065-2318(08)60347-9 http://isni.org/isni/0000000110624237 http://nobelprize.org/nobel_prizes/chemistry/laure... http://nobelprize.org/nobel_prizes/chemistry/laure...
