1. Researches on Moorland waters. Part II. On the origin of combined chlorine;Ackroyd;Trans. Chem. Soc.,1901
2. Note on the atmospheric oxides of nitrogen;Adel;Astroph. J.,1939
3. A possible source of atmospheric NaO;Adel;Science,1946
4. Atmospheric nitrous oxide and the nitrogen cycle;Adel;Ibid.,1951
5. Wolkenuntersuchungen auf dem Hohen Sonnblick in Sommer 1924;Albrecht;Jahresber. des Sonnblicks-Vereines,1925