00293nam a2200097Ia 4500008004100000082002000041100001900061245008000080260002700160300000800187140316s9999    xx            000 0 und d  a333.911bVEN/TE  aVenkateswara,J  aTechnical manual on watershed management - 4 : non - arable farming systems  aHyderabadbNIAEMc1995  a115