#主要参考资料 [1] Andrew F, S. (2001). Popped Culture: A Social History of Popcorn in America [E-book]. Smithsonian. [2] Clayman, A. (2020, July 19). C. Cretors & Co., est. 1885. Made-in-Chicago Museum. [3] Geiling, N. (2013, October 3). Why Do We Eat Popcorn at the Movies? Smithsonian Magazine. [4] Grobman, A., Bonavia, D., Dillehay, T. D., Piperno, D. R., Iriarte, J., & Holst, I. (2012). Preceramic maize from Paredones and Huaca Prieta, Peru. Proceedings of the National Academy of Sciences, 109(5), 1755–1759. [5] The Steam Peanut and Pop Corn Industry. (1894). Scientific American, 71(26), 405. [6] 世界电影史(第1卷). (2015). 复旦大学出版社. [7] 美国增长的起落. (2018). 中信出版集团. [8] Clayman, A. (2020, July 19). C. Cretors & Co., est. 1885. Made-in-Chicago Museum.