Dept. of Aeronautical Engineering;
University of Osaka Prefecture Sakai;
591;
Japan;
Dept. of Aeronautical Engineering;
University of Osaka Prefecture Sakai;
591;
Japan;
Japan Research Institute;
Ltd;
Osaka;
550;
Japan;
aircraft; programmed; modulated; maintain; users; succession; Smalltalk; Fortran; store; productivity;