Sakthivadivel, R. Using remote sensing techniques to evaluate lining efficacy of watercourses / R.Sakthivadivel [et all]. - Colombo : International Water Management Institute, 2001. - v, 29 p. ; 28 cm. ISBN: 929090416X Subjects--Topical Terms: Remote sensing Dewey Class. No.: 621.3678 SAK / 2092