1. Report on AATCC cooperative tests for determining mildew- and rot-resistance;AATCC,1945
2. Report on AATCC cooperative tests for determining mildew- and rot-resistance;AATCC,1945
3. Chemical Analysis of Ecological Materials;Allen,1989
4. Mineral Pseudomorphs of Organic Materials. A Study in Burial Environments;Barford,1979
5. Physical & chemical analysis of <2 mm samples;Bascomb,1974