FACTORS AFFECTING THE MECHANISM OF GRAPHITIZATION AND THE HETEROGENEOUS GAS REACTIONS OF GRAPHITES. QUARTERLY PROGRESS REPORT FOR OCTOBER 1, 1954 TO DECEMBER 31, 1954. PART I. CARBONIZATION AND GRAPHITIZATION. PART II. HETEROGENEOUS GAS REACTIONS OF CARBONS. A. CHANGES IN INTERNAL STRUCTURE OF A SPECTROSCOPIC GRAPHITE UPON GASIFICATION WITH CARBON DIOXIDE