_:b665461138 . _:b665461138 "Structural homology that involves structures with the same or similar relative positions." . _:b665461138 . _:b665461138 . _:b665461138 . _:b665461138 . _:b665461138 . _:b665461138 . _:b665461138 . _:b665461138 "ISBN:0123195837" .