IN a memoir on the geology and coal resources of Korea State, Central Provinces, published in 1914 (Memoirs, Geological Survey of India, 41, p. 180), I suggested that the bright coal of the Barakar ...
IN this monograph the authors have given a survey of a very wide field. Colloid systems play an impertant part in our daily life ; in the opganisms of all living plants and animals these systems are ...
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