Bloch; Hoehn; Bugge Journal fuer Praktische Chemie (Leipzig), 1910 , vol. <2> 82, p. 473,481 Full Text Show Details Bloch; Hoehn Patent: DE214888 ; Full Text Show Details Hoehn; Bloch Journal fuer Praktische Chemie (Leipzig), 1910 , vol. <2> 82, p. 486,493