A World bibliography:desertification on 23rd Intern. Geog.Congress,Moscow,1976
Paylore,Patricia
A World bibliography:desertification on 23rd Intern. Geog.Congress,Moscow,1976 - USA Univ. of Arizona. 1976 - 644
Desert,Arid,Semi Arid Desertification
574.52652
A World bibliography:desertification on 23rd Intern. Geog.Congress,Moscow,1976 - USA Univ. of Arizona. 1976 - 644
Desert,Arid,Semi Arid Desertification
574.52652