We have analyzed the geoelectric response produced by three cavities cut into different geological substrata of granite, phyllite, and sandstone that had previously been characterized by direct methods. We also examined a mining void excavated in granite. In each case, we applied three different geoelectric arrays (Wenner-Schlumberger, Wenner and dipole-dipole) and several inter-electrode spaci...

Agricultural credit card innovation : the case of Financiera Trisan / Mark D. Wenner, Rodolfo Quirós. p. cm. (Sustainable Development Dept. Best practices series ; MIC-107) Includes bibliographical references.

Address correspondence to Sergey Belikov or Lars Wieslander, Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-106 91 Stockholm, Sweden. E-mail: [email protected] or [email protected].