TY  - BOOK
AU  - Leipholz H
TI  - Direct variational methods and eigenvalue problems in engineering
T2  - Monographs and Text Books an Machanics of Solids and Fluids Ed by G A E Qrauas
SN  - 90 286 0106 6
U1  - B331,1:10bD, L7 
PY  - 1977///
CY  - Leyden
PB  - Noardhoff International         
KW  - Equations
ER  -