Measuring cognitive impairment with large data sets /

"OM91-0512"--P. [80].

Generalized organization of large data-bases : a set-theoretic approach to relations /

Mode of access: Internet.

Integration of data sets pertaining to bald eagles and water fowl populations in Illinois /

"September 1986."

Do early retirees die early? : evidence from three independent data sets /

"July 2002."