1. Bacterial waxes;Albro,1976
2. Cycles of nutrient elements, hydrophobic organic compounds, and metals in Crystal Lake;Armstrong,1987
3. Scanning electron microscopy of waxes in plant surfaces;Baker;Micron,1971
4. Hydrocarbons from sea water;Barbier;Deep Sea Research,1973
5. Bassett, I.J., Crompton, C.W., Parmelee, J.A., 1978. An Atlas of Airborne Pollen Grains and Common Fungus Spores of Canada. Supply and Services, Canada, Hull, Quebec, Canada.