TY  - SER
AU  - Abdun-Nur, Edward A.
AU  - Hersey, A.T.
AU  - Raber, Charles T.
AU  - Brust, A.W.
TI  - Aci Standard: Recomended Practice  for  Selecting Proportions  for  Normal Weight Concrete (Aci 211.1-70)
KW  - Absorption
KW  - Aggregates
KW  - Air Entrainment
ER  -