por Penman, A.D.M | Building Research Establishment (Inglaterra).
por Penman, A.D.M | Charles, J.A., coaut | Building Research Establishment (Inglaterra).
por Penman, A.D.M | Gallagher, K.A., coaut | Building Research Establishment (Inglaterra).
por Penman, A.D.M | Godwin, E.W., coaut | Building Research Establishment (Inglaterra).