1. Perturbation of boundary conditions;Feshbach;Physical Review,1941
2. Perturbation of sound waves in irregular rooms;Bolt;Journal of the Acoustical Society of America,1942
3. An analysis of the acoustic resonance of the body cavity;Shuku;Toyota Engineering,1969
4. Is the computation of noise level inside a car feasible?;Jennequin;Institute of Mechanical Engineers C108/71,1971
5. Méthode de calcul pour les bruits basse frequence dans un habitacle de voiture;le Salver,1972