R R Langner
发表
G E Socha,
R R Langner,
R D Olson,
1979,
American Industrial Hygiene Association journal.
G E Socha,
R R Langner,
H R Hoyle,
1979,
American Industrial Hygiene Association journal.
R R Langner,
M G Ott,
M. G. Ott,
1976,
Journal of occupational medicine. : official publication of the Industrial Medical Association.