TY  - BOOK
AU  - Ackermann, Norbert L.
AU  - Arbhabhirama, Anat, coaut.
TI  - Viscous effects on the virtual mass of a sphere oscillating- within a fixed concentric spherical shell / by Norbert L. -Ackermann and Anat Arbhabhirama
CY  - Bangkok, [Tailandia] : SEATO, Graduate School of Engineering
ER  -