1. Electrically Conductive Concrete;Farrar;GEC Journal of Science and Technology,1978
2. On the Electrical Properties of Concrete and Their Applications;Nikkanen;Valtion Teknillinen Tiedotus, Sarja III, Rakennus,1962
3. The Electrical Resistivity of Concrete;Monfore;Journal of the PCA Research and Development Laboratories,1968
4. The Conduction of Electricity through Concrete;McCarter;Magazine of Concrete Research,1981