00298nam a2200109Ia 4500082002000000100004100020245004600061260003100107300001000138500000500148700003500153  a518.51bL154.SD  aLaden, H. N. and Gildersleeve, T. R.  aSystem design for computer applicationsb  aNew YorkbJohn Wileyc1963  a330p.  a  aGildersleeve, T. R. ;jt. auth.