Methods used in petrographic studies of concrete / by Berna-rd Erlin.
Erlin, Bernard.
Methods used in petrographic studies of concrete / by Berna-rd Erlin. - Skokie, Illinois : atories - 16 p. - Bulletin 193 / Portland Cement Association .
"Authorized reprint from copyrighted Analytical Techniques - for Hydraulic Cement and Concrete STP No. 395, 3-17 (1966)- published by American Society for Testing and Materials".
Methods used in petrographic studies of concrete / by Berna-rd Erlin. - Skokie, Illinois : atories - 16 p. - Bulletin 193 / Portland Cement Association .
"Authorized reprint from copyrighted Analytical Techniques - for Hydraulic Cement and Concrete STP No. 395, 3-17 (1966)- published by American Society for Testing and Materials".