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| last1 = van Rooij | first1 = A. C. M.
| last2 = Wilf | first2 = H. S. | author2-link = Herbert Wilf
| doi = 10.1007/BF01904834 | doi-access = free
| issue = 3–4
| journal = [[Acta Mathematica Hungarica]]
| pages = 263–269
| title = The interchange graph of a finite graph