Water for human needs: Proc. of the 2nd world congress on water resources.V.2 Health and planning.
International Water Resources Association.
Water for human needs: Proc. of the 2nd world congress on water resources.V.2 Health and planning. - Delhi IWRA and Central Board of Irrigation and Power 1975 - 605
Hydrology
Hydrology
551.49
Water for human needs: Proc. of the 2nd world congress on water resources.V.2 Health and planning. - Delhi IWRA and Central Board of Irrigation and Power 1975 - 605
Hydrology
Hydrology
551.49