1. Air pollution: some findings in Cairo studies;Abdel Salam,1963
2. Study of air pollution in the Helwan industrial area;Abdel Salam,1967
3. Dust deposits in the city of Cairo;Abdel Salam;J. atmos. Environ.,1967
4. Environmental chemistry of the elements;Bowen,1979
5. Atomic absorption spectrophotometry;Cooke,1969