Generation X, Y, ZzzzMary A. GraysonLippincott Williams and Wilkins2005DOI 10.1097/00005110-200507000-00003
Supply Chain and Transportation DictionaryJoseph L. CavinatoSpringer US2000DOI 10.1007/978-1-4615-4591-0_26
The Successful Frauditor's Casebook (Tickner/Successful)Peter TicknerJohn Wiley & Sons, Incorporated2012DOI 10.1002/9781119207283.ch18|10.1002/9781119207283
On Similarity Solutions of the Differential Equation ψZzzz + ψX = 0Gill, A. E.Mathematical Proceedings of the Cambridge Philosophical Society1970DOI 10.1017/s0305004100057200
An overview: Obstructive Sleep Apnea and the Metabolic Syndrome: Should “X” be changed to “Zzz...Zzzz....Zzzzzzzzz....Zzz”S.M. SadikotElsevier2007DOI 10.1016/j.dsx.2007.09.011