Gary W. Hansen

	1991
3		Gary W. Hansen, James V. Hansen: An approximate user-complexity measure for relational query language systems. Data Knowl. Eng. 6: 393-407 (1991)
	1988
2		Gary W. Hansen, James V. Hansen: Human Performance in Relational Algebra, Tuple Calculus, and Domain Calculus. International Journal of Man-Machine Studies 29(5): 503-516 (1988)
	1987
1		Gary W. Hansen, James V. Hansen: Procedural and Non-Procedural Query Languages Revisited: A Comparison of Relational Algebra and Relational Calculus. International Journal of Man-Machine Studies 26(6): 683-694 (1987)

Coauthor Index

1

James V. Hansen

[1] [2] [3]