John W. Backus, Friedrich L. Bauer, Julien Green, C. Katz, John McCarthy, Alan J. Perlis, Heinz Rutishauser, Klaus Samelson, Bernard Vauquois, Joseph Henry Wegstein, Adriaan van Wijngaarden, Michael Woodger, Peter Naur. Revised report on the algorithm language ALGOL 60. Communications of the ACM, 6(1):1-17, 1963. [doi]
Abstract is missing.