//-->
Expectations in the Use of Heart Rate as a Predictor of Energy Expenditure
Heywood, Peter F., (1970)
Alternatives, Criteria and Time Lags in Water Resource Development
Kalter, Robert J., (1970)
Economics in Water Resource Planning
Pricing policy in nature-based tourism
Laarman, Jan G., (1996)
[Rezension von: A multidisciplinary approach to renewable energy in developing countries, Hitzhusen, F. J. ..., eds]
Gregersen, Hans M., (1988)
EVALUATING ENVIRONMENTAL IMPACTS OF RURAL DEVELOPMENT PROJECTS
Laarman, Jan G., (1993)