"Double Bass." Double Bass. N.p., n.d. Web. 15 Apr. 2014. <http://double-bass.koopal.com/>.
Fletcher, Neville H., and Thomas D. Rossing. "String Instruments." The Physics of Musical Instruments. New York: Springer, 1998. 318-26. Print.
Gollihur, Bob, and Mark Gollihur. "BOWS: French and German Style." GollihurMusic. N.p., n.d. Web. 15 Apr. 2014. <http://www.gollihurmusic.com/faq/14-BOWS_FRENCH_AND_GERMAN_STYLE.html>.
Olson, Harry F. Music, Physics and Engineering. New York: Dover Publications, 1967. Print.
Ooijen, David Van. "Calculating String Tensions." Home Planet. N.p., Oct. 2003. Web. 15 Apr. 2014. <http://home.planet.nl/~ooije006/david/writings/stringtension_p.html>.
Pandos, Maureen. "FROM ELECTRIC BASS TO UPRIGHT BASS - Getting Your Upright Bass Set Up by MAUREEN PANDOS." Bass Musician Magazine. N.p., 1 June 2012. Web. 15 Apr. 2014. <http://bassmusicianmagazine.com/2012/06/from-electric-bass-to-upright-bass-getting-your-upright-bass-set-up-by-maureen-pandos/>.
Pezzaglia, Bill, Dr. "Lab 3: Standing Waves." Clifford. CSUEB Physics, 15 Feb. 2013. Web. 15 Apr. 2014. <http://www.clifford.org/drbill/csueb/2703lab/labs/L03_melde_s2013.pdf>.
"Waves on a String." University of Salford Manchester. N.p., n.d. Web. 15 Apr. 2014. <http://www.acoustics.salford.ac.uk/feschools/waves/standing_waves.php>.
Wolfe, Joe. "Strings, Standing Waves and Harmonics." The University of South Wales. N.p., n.d. Web. 15 Apr. 2014. <http://www.phys.unsw.edu.au/jw/strings.html>.
Zevin, Michael. "Resonance and Harmonic Analysis of Double Bass and Bass Guitar." Courses.physics.illinois.edu. N.p., 11 May 2012. Web. 15 Apr. 2014. <https://courses.physics.illinois.edu/phys406/Student_Projects/Spring12/Michael_Zevin_P406_>.