_:b663962977 . _:b663962977 . _:b663962977 . _:b663962977 "Structural homology that involves structures with the same or similar relative positions." . _:b663962977 . _:b663962977 . _:b663962977 . _:b663962977 . _:b663962977 . _:b663962977 "ISBN:0123195837" .