Source:
Scientific American [Sci Am] 1991 Feb; Vol. 264 (2), pp. 134.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:
Source:
Scientific American [Sci Am] 2011 Dec; Vol. 305 (6), pp. 18.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium: