REFERENCES
- Gale CENGAGE Learning. n.d. Gale biography in context. Walter Alvarez. Available at http://www.gale.cengage.com/InContext/bio.htm
- Lamont-Doherty Earth Observatory. Columbia University. Earth Institute. 2008. Geologist who linked cosmic strike to dinosaurs’ extinction takes top prize. Available at http://www.ldeo.columbia.edu/news-events/the–vetlesen–prize–news–release
- Lamont-Doherty Earth Observatory. Columbia University. Earth Institute. n.d. The Vetlesen Prize. Available at http://www.ldeo.columbia.edu/the-vetlesen-prize
- ReoCities. 1997. Dino Land paleontology interviews: Dr. Walter Alvarez. Available at http://www.reocities.com/CapeCanaveral/Galaxy/8152/walteralvarez.html
- University of California, Berkeley. Earth and Planetary Science. n.d.a. Faculty. Walter Alvarez: Awards & honors.
- University of California, Berkeley. Earth and Planetary Science. n.d.b. Faculty. Walter Alvarez: Professional activities. Available at http://eps.berkeley.edu/people/walter-alvarez