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{{Cite journal| issn = 0935-9648| volume = 18| issue = 19| pages = 2565–2568| last1 = Vroege| first1 = G.J.| last2 = Thies-Weesie| first2 = D.M.E.| last3 = Petukhov| first3 = A.V.| last4 = Lemaire| first4 = B.J.| last5 = Davidson| first5 = P.| title = Smectic liquid-crystalline order in suspensions of highly polydisperse goethite nanorods| journal = Advanced Materials| date = 2006}}