Thomas E. Downing, (general editor) ; Fernando Samtobáñez ... [et al.]
School of Geography, University of Birmingham , Environmental Change Unit, University of Oxford1994Occasional publication / School of Geography, University of Birmingham
no. 35 , Research report / Environmental Change Unit, University of Oxford
no. 6
Robert N. Gwynne and Claudio Meneses, (general editors) ; Jorge Ortiz ... [et al.]
School of Geography, University of Birmingham , Environmental Change Unit, University of Oxford1994Occasional publication / School of Geography, University of Birmingham
no. 34 , Research report / Environmental Change Unit, University of Oxford
no. 5