Desai, Ashok V. Nonconventional energy. - New DelhiTokyoOttawa : Wiley EasternUnited Nations UniversityInternational Development Research Centre, 1990. - 203 p. : tabla, diagr. - Review series . - Energy research group, Ottawa . - Review series . BibliografĂa al final de cada artĂculo ISBN: 8122402070 Subjects--Topical Terms: ENERGIA -FUENTES