-
1by Hayes, J. (ed.), Conference on Energy-Conserving, Solar-Heated Greenhouses eng 19-20 Nov 1977 1. Marlboro, Vt (USA), Gillett, D. (ed.)
Published 1978Texto bibliotecaFAO IT -
2by Hayes, J. (ed.), Conference on Energy-Conserving, Solar-Heated Greenhouses eng 6-8 Apr 1979 2. Plymouth, Mass. (USA), Jaehne, D. (ed.)
Published 1979Texto bibliotecaFAO IT