P. L. Walker

Use of Pennsylvania coals in low Btu gasification processes: a preliminary study. Special research report SR-112

A. Davis, William Spackman, P. L. Walker, 1976 .

Relation of coal characteristics to liquefaction behavior. Part II. Continuous flow reactor studies by Gulf Research and Development Co. Final technical report, July 1976-February 1981

Paul C. Painter, Michael M. Coleman, William Spackman, 1982 .

HYDROGEN SORPTION ON GRAPHITE AT ELEVATED TEMPERATURES1,2

P. L. Walker, J. P. Redmond, P. Walker, 1960 .

Adsorption characteristics of coals and chars. Interim report Sep 1966--Jan 1972

P. L. Walker, S. P. Nandi, 1972 .