McCarthy, John; Fernando J. Corbató, and Marjorie M. Daggett "The linking segment subprogram language and linking loader"

[ACM] (1963) [ACM] CACM 6(07) July 1963  

Languages mentioned BAS {1962} Symbolic assembler for the ATLAS BSS {1960} Relocatable binary form output from FORTRAN LSS {1962} Machine-independant binary object language SQUOZE {1958}