00841nam a2200205 a 450000500170000000800410001703500150005804100070007305000150008024500340009526000500012930000080017944000580018750002030024565000380044865000460048665000250053271000320055771000460058920260818084737.0                                          a.b101632810 aEN  aTA439 C562 0aConcrete for nuclear reactors  aDetroit :bAmerican Concrete Institute,c1972  a3 v 0aAmerican Concrete Institute. ACI publication ;vSP-34  aProceedings of an international seminar held at Bundesanstalt fur Materialprufung in Berlin, October 5-9, 1970, sponsored by the American Concrete Institute and the Bundesanstalt fur Materialprufung 0aShielding (Radiation)xCongresses 0aNuclear reactorsxContainmentxCongresses 0aConcretexCongresses  aAmerican Concrete Institute  aBerlin. Bundesanstalt fur Materialprufung