Development of new sound absorbing materials for noise suppressors.

"Materials Laboratory, Contract no. AF33(616)-5060, Project no. 7231."

Identification of superior energy-absorbing materials for school bus interiors: Volume I - summary report. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Identification of superior energy-absorbing materials for school bus interiors: Volume II - technical report. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Identification of superior energy-absorbing materials for school bus interiors: Volume III - appendices report. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Music and musicians /

A study of musical sound.--The materials of sound.--Grammar of music.--Esthetics.--History of the art of music.--Appendix.

Sources of audiovisual materials on disabilities /

"May 1995."