TY  - PRO
AU  - Govaerts,B.
AU  - Romero Perezgrovas,R.
AU  - Sayre,K.D.
AU  - Verhulst,N.
TI  - Conservation Agriculture in World Perspective:  Sustainable cropping systems for increased water use efficiency
PY  - 2011///
CY  - Mekelle (Ethiopia)
PB  - Mekelle University
ER  -