Hall, A.E..
Ecological studies 34 Agriculture in semi-arid environments / - 1st ed / - New York : Springer-Verlag cBerlin Heidelberg New York , 1992 - vi,340p :
3-540-09414-8
Agriculture
J:55L9
Ecological studies 34 Agriculture in semi-arid environments / - 1st ed / - New York : Springer-Verlag cBerlin Heidelberg New York , 1992 - vi,340p :
3-540-09414-8
Agriculture
J:55L9