AUTHOR_GND_MATCHER: .* => .*? (needs to be ungreedy)
AUTHOR_GND_MATCHER: .* => .*? (needs to be ungreedy)

ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools