Irwin A. Wiehe
. . . this book will be invaluable for engineers engaged in operation of refining units or upgraders that process vacuum residues . . . As a scientific memoire and summary of an eminent career, this volume presents numerous insights for future development of both process technology and the science of petroleum macromolecules. - Murray R. Gray, University of Alberta, in Energy & Fuels, May 2009, Vol. 23, No. 6