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International seminar new way to save energy : Condensed version of papers / Commission of the european communities - 1 volumen (en varias paginaciones)

Texto bilingue "energy r and d programme (1975-1979) results of energy conservation research"

Subjects--Topical Terms:
Conservación de la energía--Congresos

LC Class. No.: TJ163.27 / I57 1979