Tlo – razlika između verzija

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Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.9.2
Red 23:
* Faulkner, William. Plowman's Folly. New York, Grosset & Dunlap. 1943. ISBN 0-933280-51-3
* Jenny, Hans, Factors of Soil Formation: A System of Quantitative Pedology 1941
* [http://jan.ucc.nau.edu/~doetqp-p/courses/env320/lec1/Lec1.html Why Study Soils?] {{Webarchive|url=https://web.archive.org/web/20180209052922/http://jan.ucc.nau.edu/~doetqp-p/courses/env320/lec1/Lec1.html |date=2018-02-09 }}
* [http://www.hort.purdue.edu/newcrop/tropical/lecture_06/chapter_12l_R.html Soil notes]
* {{web cite |url=http://www.mvm.usace.army.mil/Readiness/97flood/flood.htm |title=97 Flood |publisher=USGS |accessdate=31. 05. 2006. |archivedate=2008-06-24 |archiveurl=https://web.archive.org/web/20080624040143/http://www.mvm.usace.army.mil/Readiness/97flood/flood.htm |deadurl=yes }} Photographs of sand boils.