Matriz de Leopold (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Matriz de Leopold" in Spanish language version.

refsWebsite

Global rank Spanish rank

167^th place

98^th place

3,103^rd place

2,052^nd place

sdsu.edu

ponce.sdsu.edu

«http://ponce.sdsu.edu/la_matriz_de_leopold.html». ponce.sdsu.edu. Consultado el 2 de marzo de 2017.

usgs.gov

pubs.er.usgs.gov

cu Leopold, Luna B.; Clarke, Frank E.; Hanshaw, Bruce B.; Balsley, James R. (1971). A Procedure for Evaluating Environmental Impact. Geological Survey Circular 645. Washington: U.S. Geological Survey.