00553nam a2200181Ia 4500 66057 150404s9999 xx 000 0 und d 969846915X PK-LaUMT 627.13095491 AKR-R Akram Kahlown, Muhammad Reducing conveyance losses from water channels Akram Kahlown, Muhammad|Kemper, W. Doral Islamabad,Pakistan: Pakistan Council of Research in Water Resources, 2004 various pages EN Kemper, W. Doral BK 69398 69398 0 0 0 0 01 01 2015-04-02 0 627.13095491 AKR-R 79805 2015-04-04 00:00:00 2015-04-04 BK