Citation: S. Platz et al., STUDIES ON LOAD OF IMMISSION OF FATTENING PIGS AND THE ENVIRONMENT OUTSIDE OF PIG - FATTENING FARMS CAUSED BY LUNG PASSING DUST PARTICLES, PIGHOUSE SPECIFIC AIRBORNE BACTERIA AND AMMONIA, Zentralblatt fur Hygiene und Umweltmedizin, 196(5), 1995, pp. 399-415