1. Tables of characteristic functions representing normal modes of vibration of a beam;Young;University of Texas Publication, Engineering Research Series no. 44,1949
2. Formulas for integrals containing characteristic functions of a vibrating beam;Felgar;University of Texas Publication Circular no.14,1950
3. Transverse vibration on one and two span beams under the action of a moving mass load;Ayre,1952
4. Theory of dynamic vibration absorbers for beams;Young,1952
5. A simple approximation for the fundamental frequencies of two-span and three-span continuous beams;Velestos,1954