TY - BOOK AU - Kelly,James M. AU - Sackman, Jerome L. AU - Javid, Ahmad, ED - University of California, Berkeley. TI - Javid's paradox: The influence of preform on the modes of vibrating beams T2 - Report AV - TA683.46 K45 PY - 1990/// CY - Berkeley, california PB - University of California Press, College of Engineering, Earthquake Engineering Research Center KW - VibraciĆ³n KW - Vibradores N1 - "march 1990" ER -