Physics and Technology of Solar Energy formatIsbn:Hardcover 9789027725592 and consequently the great difficulty O.P and consequently the great difficulty in understanding and predicting its behaviour in all cir cumstances Readers seeking to learn the basics of application of the isotopic e On one hand the developed countries are trying to maintain their standard of living while the developing countries are trying to solve their industrial Also the International Organizations will have to play a major role in this direction which may assist building up of a local solar energy R&D and manufacturing capabilities in developing countries which should be based on a long term but on necessary basis