Complete Problems With L-samplable Distributions. - Per Grape (SWAT, 1990)

Complete Problems with L-Samplable Distributions. - Per Grape (BIT, 1991)

Automating the Development of Syntax Tree Generators for an Evolving Language. - Per Grape; Kim Walden (TOOLS (8), 1992)

On Average Time Hierarchies. - Mikael Goldmann; Per Grape; Johan Håstad (Inf. Process. Lett., 1994)

Relational and Object-Oriented Coexistence. - Per Grape; Kim Walden (TOOLS (23), 1997)