Field Sound Insulation Evaluation for two Auxilliary Walls.
Jones, Robert A.
Field Sound Insulation Evaluation for two Auxilliary Walls. - 1975. - s. 12 : il. , tab. ; 27 cm. - FPL 244 . - U. S. For. Serv. Res. Pap. FPL 244 .
bibliogr. = U. S. For. Serv. Res. Pap.
Field Sound Insulation Evaluation for two Auxilliary Walls. - 1975. - s. 12 : il. , tab. ; 27 cm. - FPL 244 . - U. S. For. Serv. Res. Pap. FPL 244 .
bibliogr. = U. S. For. Serv. Res. Pap.