Page history
August 23, 2016
July 13, 2016
January 3, 2015
April 19, 2011
August 28, 2010
June 22, 2010
November 13, 2009
November 12, 2009
November 11, 2009
November 10, 2009
→Subcategories of Sound: I wrote another sentence based on another reference, and included the reference.
+272
→Subcategories of Sound: Wrote a sentence and included a reference.
+261
→Diffraction: Spelling.
m+2
→Interference: I wrote three more sections, baced on the same source.
+1,971
→Reflection
m+2
lots of copyedits
→Interference: I added the footnote which I forgot to add.
+47
→Sound patterns: I added needed subsections, and wrote another paragraph based on more of the same source.
+743
November 9, 2009
→Sound patterns: I wrote four more paragraphs based on the same source and gave a footnote telling this for each paragraph.
+1,590
I wrote two more paragraphs based on the same source as the previous paragraphs, and included reference footnotes for the paragraphs.
+1,086
Added text, footnotes and a reference. Source: Stevens, S., Warshofsky, F., & others. 1965. ''Sound and Hearing.'' Chapter one. Life Science Library, Time-Life Books, New York, NY: Time, Inc.
+3,270