Source:
Scientific American [Sci Am] 1980 Nov; Vol. 243 (5), pp. 118-35.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium:
Source:
Scientific American [Sci Am] 1986 Jul; Vol. 255 (1), pp. 96-103.Publisher: Scientific American Country of Publication: United States NLM ID: 0404400 Publication Model: Print Cited Medium: