1. Sorting of data on an electronic computer;Davies,1956
2. Sorting on electronic computer systems;Friend;Assoc. Computing Machinery J.,1956
3. Evaluation of sorting methods;Hosken,1956
4. A method for the construction of minimum redundancy, codes;Huffman,1952
5. Account identification for automatic data processing;Oettinger;Assoc. Computing Machinery J.,1957