{{Cite journal| doi = 10.3390/app7080853| volume = 7| issue = 8| last1 = Pionteck| first1 = A.| last2 = Chiementin| first2 = X.| last3 = Munera| first3 = M.| last4 = Murer| first4 = S.| last5 = Chadefaux| first5 = D.| last6 = Rao| first6 = G.| title = FE Model and operational modal analysis of lower limbs| journal = Applied Sciences (Switzerland)| date = 2017}}