1. Restoration of beaches contaminated by oil;Gumtz;Environmental Protection Agency,1972
2. Extraction as a method for cleaning contaminated soil: Possibilities, problems and research;Rulkens,1984
3. Review of the development of remedial action techniques for soil contamination in the Netherlands;Hoogendoorn,1984
4. Mobile system for extracting spilled hazardous materials from excavated soils;Scholz,1983
5. Assessment of international technologies for Superfund applications — technology review and trip report results;Nunno,1988