@article{Northrop2018, author = "Linda Northrop and Peter Feiler and Richard P. Gabriel and John Goodenough and Rick Linger and Tom Longstaff and Rick Kazman and Mark Klein and Douglas Schmidt and Kevin Sullivan and Kurt Wallnau", title = "{Ultra-Large-Scale Systems: The Software Challenge of the Future}", year = "2018", month = "7", url = "https://kilthub.cmu.edu/articles/journal_contribution/Ultra-Large-Scale_Systems_The_Software_Challenge_of_the_Future/6626345", doi = "10.1184/R1/6626345.v1" }