Echman, Donald P
Systems : research and design : proceedings of the first systems symposium at case institute of technology - NewYork, John Wiley & Sons INC 1961 - 310
Systems - research/ systems - design
620.7 ECK
115
Systems : research and design : proceedings of the first systems symposium at case institute of technology - NewYork, John Wiley & Sons INC 1961 - 310
Systems - research/ systems - design
620.7 ECK
115