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DISCUSSION. EXPERIMENTS ON THE STANDARDS OF COMPARISON EMPLOYED FOR TESTING THE ILLUMINATING POWER OF COAL GAS.

Gregory, Harrison, C B Vignoles, 1869 .

Proceedings of the Inaugural Planning Workshop on the User's Perspective with Agricultural Research and Development

Upward, 1990 .

Direct observation of the superconducting gap of Sr2RuO4

Upward, A. Morpurgo, Y. Maeno, 2002 .