Encyclopedia of occupational health and safety, vol. 11(L-Z)
International Labour Office
Encyclopedia of occupational health and safety, vol. 11(L-Z) (Book) - Geneva International Labour Office 1971 - 1621 p. 30 cm.
Industries--Safety measures--Encyclopedia Medicine, Industrial--Encyclopedia
614(03):331ILO / 12478
Encyclopedia of occupational health and safety, vol. 11(L-Z) (Book) - Geneva International Labour Office 1971 - 1621 p. 30 cm.
Industries--Safety measures--Encyclopedia Medicine, Industrial--Encyclopedia
614(03):331ILO / 12478