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