Spatial distribution of reference and potential evapotranspiration across  the Indus Basin Irrigation Systems
Citation:
Ullah, M. K.; Habib, Z.; Muhammad, S. 2001. Spatial distribution of reference and potential evapotranspiration across the Indus Basin Irrigation Systems. Lahore, Pakistan: IWMI Pakistan. vi, 55p. (IWMI working paper 24: Pakistan country series no.8)