<![CDATA[Biblioteca Univ. Surcolombiana Search for 'callnum:"620.103 / B415m " and au:Eisenberg, Elliot R. and au:Johnston, E. Russell, Jr.']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=callnum%3A%22620.103%20%2F%20B415m%20%22%20and%20au%3AEisenberg%2C%20Elliot%20R.%20and%20au%3AJohnston%2C%20E.%20Russell%2C%20Jr.&format=rss2 2 0 50