Die Härte der festen Körper und ihre physikalisch-chemische Bedeutung

Roger C. Wells
1909 Journal of the American Chemical Society  
Nevertheless there is much in the book to be commended. The discussion of the metals and of the practical applications of chemistry is as a rule fairly satisfactory. A text on chemistry with preface dated January, 1909, however, should not contain the statement that helium has not been liquefied. ~VILLIAM RICPHERSON. Die Hdrte der festen Kijrper und ihre physikalisch-chemische Bedeutung. VICTOR POSCHL. Dresden: Theodore Steinkopff. 1909. ~v o . , 85 pp., 4 fig. Price,
doi:10.1021/ja01942a022 fatcat:wan6o7fplza4lbyyi44u4bxsoq