G. Ballal

Evolution of pore surface area during noncatalytic gas-solid reactions. 1. Model development

K. Zygourakis, G. Ballal, 1987 .

Evolution of pore surface area during noncatalytic gas-solid reactions. 2. Experimental results and model validation

K. Zygourakis, G. Ballal, 1987 .

Diffusion in particles with pores of varying cross-section

K. Zygourakis, G. Ballal, 1985 .

Preliminary report on burning of single particles of retorted shale

N. Amundson, G. Ballal, 1989 .