Authors: THOMPSON RL ROTHENBERGER KS RETCOFSKY HL

Citation: Rl. Thompson et al., VARIABLE-TEMPERATURE EPR STUDIES OF ILLINOIS NO 6 COAL TREATED WITH DONOR AND ACCEPTOR MOLECULES, Energy & fuels, 11(3), 1997, pp. 739-746

Authors: ROTHENBERGER KS SPRECHER RF RETCOFSKY HL WANG W CLARKSON RB BELFORD RL

Citation: Ks. Rothenberger et al., NATURE OF THE ELECTRON-PARAMAGNETIC-RESONANCE INTENSITY IN IODINE TREATED COALS, Fuel, 73(10), 1994, pp. 1600-1605

Authors: RETCOFSKY HL

Citation: Hl. Retcofsky, SCIENTISTS NEED NOT APPLY, American journal of physics, 62(11), 1994, pp. 970-970

Authors: RETCOFSKY HL

Citation: Hl. Retcofsky, NOVEL ANALYTICAL TECHNIQUES FOR FOSSIL-FUELS - PREFACE, Fuel, 72(8), 1993, pp. 1167-1167