1. Determination of chrysotile in airborne asbestos by an i.r. spectrometric technique;Gadsen;Atmospheric Environment,1970
2. Asbestos fibres in the atmosphere of towns;Holt;Atmospheric Environment,1973
3. Asbestos fibres in the atmosphere of towns;Holt;Atmospheric Environment,1973
4. How much asbestos do vehicles emit?;Jacko;Auto Engng,1973
5. Modern techniques for evaluating mixed environmental exposures to fibrous and particulate dusts in the asbestos industry;Keenan,1968