1. THE NATURE, HAZARDS AND ASSESSMENT OF OCCUPATIONAL EXPOSURE TO AIRBORNE ASBESTOS DUST: A REVIEW
2. Institute of Occupational Medicine. 1982.A Comparison of the Effects of Different Counting Rules and Aspect Ratios on the Level and Reproducibility of Asbestos Fiber Counts., Part I: Effects on Level. A.J. Cowie, N.P. Crawford. Report No. TM/82/33. Roxburg Place, Edinburgh, Scotland
3. Institute of Occupational Medicine. 1982.A Comparison of the Effects of Different Counting Rules and Aspect Ratios on the Level and Reproducibility of Asbestos Fiber Counts., Part I: Effects on Reproducibility. N.P. Crawford, H.L. Thorpe, W. Alexander. Report No. TM/82/24. Roxburg Place, Edinburgh, Scotland
4. THE EFFECT OF MICROSCOPE GRATICULE SIZE AND COUNTING RULES ON THE ESTIMATION OF AIRBORNE FIBRE NUMBERS USING THE MEMBRANE FILTER TECHNIQUE