Water resources : planning and management
Otto J. Helweg
Water resources : planning and management - New York John Wiley and Sons 1985 - 364p
Otto J. Helweg: Water resources : planning and management. New York. John Wiley and Sons, 1985.--(551.49HEL)
ENGLISH
551.49 / HEL
Water resources : planning and management - New York John Wiley and Sons 1985 - 364p
Otto J. Helweg: Water resources : planning and management. New York. John Wiley and Sons, 1985.--(551.49HEL)
ENGLISH
551.49 / HEL
