<![CDATA[Science Library DSS Search for 'se,phr:"United States Bureau of Mines. Report of investigations" and su-to:Mine ventilation']]> http://library.dss.go.th/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22United%20States%20Bureau%20of%20Mines.%20Report%20of%20investigations%22%20and%20su-to%3AMine%20ventilation&format=rss2 11 0 50