Collection search
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No digital objectLibrary / National Library CollectionsOspina, Carlos E. 1967- (Carlos Emilio),Edmonton :Dept. of Civil and Environmental Engineering, University of Alberta,1997. [1997]
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No digital objectLibrary / National Library CollectionsOspina Torres, Angela Marcela, 1968-Ottawa :National Library of Canada = Bibliothèque nationale du Canada,1997. [1997]
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No digital objectLibrary / National Library CollectionsOspina, Carlos E. 1967- (Carlos Emilio),Ottawa :National Library of Canada = Bibliothèque nationale du Canada,1996. [1996]
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No digital objectLibrary / National Library CollectionsInternational Conference on Environmentally Sustainable DevelopmentWashington, DC :World Bank,©1998. [1998]