TY  - BOOK
ED  - Portland Cement Association.
TI  - Principles of quality concrete
SN  - 0471674346
AV  - TA439 .P82 1975
U1  - 624/.1834 
PY  - 1975///]
CY  - New York
PB  - Wiley
KW  - Concrete
N1  - "First in a series of five textbooks that comprise the National concrete technology curriculum."
UR  - http://www.archive.org/details/principlesofqual00port
UR  - http://www.openlibrary.org/books/OL5055022M
ER  -