TY - BOOK ID - 146347893 TI - Changes in characteristics of portland cement as exhibited by laboratory tests over the period 1904 to 1950 AU - Gonnerman, H. F. AU - Lerch, William AU - American society for testing and materials PY - 1951 PB - Philadelphia, PA : ASTM (American Society for Testing & Materials), DB - UniCat KW - Portland cement. KW - Physicochemical properties KW - Compressive strength KW - Physicochemical properties KW - Compressive strength UR - https://www.unicat.be/uniCat?func=search&query=sysid:146347893 AB - ER -