Desertificacao causas e consequencias
Hare ,F. Kenneth
Desertificacao causas e consequencias F.Kenneth Harare, Andrew Warren, Judith K.Maizels - S ed. - Lisboa Gulbenkian 1977 - 678p.
Agricultura geral
631.92
Desertificacao causas e consequencias F.Kenneth Harare, Andrew Warren, Judith K.Maizels - S ed. - Lisboa Gulbenkian 1977 - 678p.
Agricultura geral
631.92