| N12-1051 | created by the HRG to a simpler | nonhierarchical clustering | algorithm ( see Section 4 for |
| P97-1023 | based on the exchange method , a | nonhierarchical clustering | algorithm ( Sp5 , th , 1985 ) |
| E97-1023 | based on the exchange method , a | nonhierarchical clustering | algorithm ( Sp5 , th , 1985 ) |
