<![CDATA[Biblioteca Yachay Tech - Search for 'Provider:Springer , and su-to:Physics and au:Greiner, Walter,']]> http://biblioteca.yachaytech.edu.ec/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3ASpringer%20%2C%20and%20su-to%3APhysics%20and%20au%3AGreiner%2C%20Walter%2C&format=rss2 3 0 50