A description of two simple solar agricultural dryers
Lawand, T
A description of two simple solar agricultural dryers - [S.l] : [s.n.], [19--] - p. 51-55: : ill., rés.(Fr)
A description of two simple solar agricultural dryers - [S.l] : [s.n.], [19--] - p. 51-55: : ill., rés.(Fr)