TY  - GEN
AU  - Burgos,bJJ.
AU  - Kalik, M.S.
TI  - Drought and agriculture
T2  - WMO/Technical Note
VL  - 138
PY  - 1975///
CY  - Geneva
PB  - WMO
KW  - SECA
KW  - IM
ER  -