Guide to hygiene and sanitation in aviation
614.799
B154G,2 Bailey, James
Guide to hygiene and sanitation in aviation
-- Geneva : World Health Organization , 1977
220679 170p.:ill.
Aeronautics-Sanitary aspects
B154G,2 Bailey, James
Guide to hygiene and sanitation in aviation
-- Geneva : World Health Organization , 1977
220679 170p.:ill.
Aeronautics-Sanitary aspects