Protection of workers against noise and vibration in the working environment. - Geneva International Labour Office 1977. - vii, 74 p. ill. 18 cm. - ILO codes of practice .

Includes bibliographical references.

9221017095 17.50F

77368761 //r84

Sw***


Noise control.
Vibration.

TD892 / .I59 1977

620.2/3