_:b665803399 "Structural homology that involves complex structures from which only a fraction of the elements that can be isolated are separately homologous." . _:b665803399 . _:b665803399 . _:b665803399 . _:b665803399 . _:b665803399 "ISBN:0123195837" . _:b665803399 "ISBN:978-0471984931" . _:b665803399 . _:b665803399 .