Excerpt from University of Illionois Bulletin, June 15, 1907, Vol. 4: Effect of Repeated Freezing and Thawing on Brick Burned to Different Degrees of Hardness, 1906-1907
University of Illionois Bulletin, June 15, 1907: Effect of Repeated Freezing Это и многое другое вы найдете в книге University of Illionois Bulletin, June 15, 1907, Vol. 4 (J. C. Jones)