doi:10.1083/jcb.54.2.365. 使用|accessdate=需要含有|url= (帮助) Lindemann, Charles B.; Gibbons, Ian R. Adenosine triphosphate-induced motility and sliding of filaments
Franking—History with a Future: Part 1—In the Beginning (PDF). Gibbons Stamp Monthly (London: Stanley Gibbons). May 2001, (5): 47 [26 June 2018]. (原始内容存档 (PDF)于22
ISBN 0-356-10862-7 Stanley Gibbons Ltd: various catalogues Скропышева, В. Г. Карлова Е. Л. К вашим услугам - почта: Справ. пособие (Charles E.L.K. at your service