Thanks to efforts of Dr. Oana Moldovan from the Institutul de Speologie "Emil Racovita" (Romania), the entire content of the “Subterranean Biology” journal is now represented at the KarstBase and its “World Cave and Karst Science journals” sub-system (together with other 17 theme journals):

http://speleogenesis.info/directory/karstbase/wckjournal.php?id=610

Links to full texts at the original publisher’s website are available for all articles.