filter_virt_db.cpp filter_virt_db.hpp \
filter_z3950_client.cpp filter_z3950_client.hpp \
filter_backend_test.cpp filter_backend_test.hpp \
filter_virt_db.cpp filter_virt_db.hpp \
filter_z3950_client.cpp filter_z3950_client.hpp \
filter_backend_test.cpp filter_backend_test.hpp \