Source:
Scientific American [Sci Am] 1979 Jan; Vol. 240 (1), pp. 48-63.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:
Source:
Scientific American [Sci Am] 1985 Aug; Vol. 253 (2), pp. 40-9.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium: