1. Air pollution in homes 2: Validation of diffusion tube measurements;Apling,1979
2. Ambient concentrations of nitric oxide and nitrogen dioxide in the United Kingdom;Apling,1981
3. Sampling of nitrates in ambient air;Appel;Atmos. Environ.,1981
4. The use of simple diffusion tubes for the measurement of nitrogen dioxide in homes using gas and electricity for cooking;Atkins,1981
5. The measurement of NO2 in the outdoor environment using passive diffusion samplers;Atkins,1986