00335nam a2200121Ia 4500008004100000100002800041245003100069245002700100260000900127300002800136440003000164650001900194171207s9999    xx            000 0 und d  aMichael, Kelsey Sherrod 2aA prehistory of the cloud   cKelsey Sherrod Michael  c2017  apages 800-802, May 2017  aNew Media & Societyv19:5  aCLOUD SERVICES