1. H. B. Palmer, C. F. Cullis, in “Chemistry and Physics of Carbon,” ed. P. L. Walker, Marcel Dekker, New York, (1965), p. 265.
2. H. B. Palmer, D. Seery, Ann. Rev. Phys. Chem., Vol. 24 (1973), p. 253.
3. J. B. Donnez, A. Voet, “Carbon Black”, Marcel Dekker, New York, (1976).
4. Ullmann 10, (1958), p. 7.
5. M. Cowperthwaite, S. H. Bauer, J. Chem. Phys. Vol. 36, No. 7 (1962), p. 1743;