<![CDATA[PKK Library Search for 'au:"M. J. Beckers"']]>

<![CDATA[PKK Library Search for 'au:"M. J. Beckers"']]> /cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22M.%20J.%20Beckers%22&format=rss2 2 0 200 Photoelectric focus and seeing monitor solar telescopes ISBN /cgi-bin/koha/opac-detail.pl?biblionumber=405493 By M. J. Beckers.

Place Hold on Photoelectric focus and seeing monitor solar telescopes

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=405493 A Ray-tracing program for birefringent filters ISBN /cgi-bin/koha/opac-detail.pl?biblionumber=405571 By M. J. Beckers.

Place Hold on A Ray-tracing program for birefringent filters

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=405571