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Filters: Keyword is appropriate technology and Author is Stern, J.H.  [Clear All Filters]
2011
Stern, J.H. and Stern, A., Water harvesting through sand dams, Echo development notes (EDN), p. ca 17 p. : 8 fig., 2011.
Stern, J.H. and Stern, A., Water harvesting through sand dams. ECHO, Educational Concerns for Hunger Organization, North Ft. Myers, FL, USA, p. 20 p. : 9 fig., 2011.