Aspectos economicos de los productos sustitutos de la leña

by Foley, Gerald

Biomass gasification in developing countries /

by Foley, Gerald, Foley, Gerald, Barnard, Geoffrey

The energy question /

by Foley, Gerald, Foley, Gerald, Nassim, Charlotte
Published 1976

Stoves and trees : how much wood, would a woodstove save if a woodstove, could save wood? /

by Foley, Gerald, Foley, Gerald, Moss, Patricia
Published 1984