The support center document for OpenURL formatting makes no mention on how to link to ProQuest dissertations. What is the format for doing that?

The following is a sample OpenURL for a dissertation in ProQuest:

OpenURL for Dissertations:
http://gateway.proquest.com/openurl?url_ver=Z39.88-2004
&res_dat=xri:pqdiss
&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation
&title=Passing, Lynching and Jim Crow: A Geneaology of Race and Gender in U. S. Visual Culture, 1895-1929
&genre=dissertation