Helsing K J, Billings C E, Conde J
Year:
1987
Bibliographic info:
in: Indoor Air'87, Proceedings of the 4th International Conference on Indoor Air Quality and Climate, Berlin (West), 17-21 August 1987, Vol 2, Institute for Water, Soil and Air Hygiene, 1987, p557-561, 3 tabs, 2 refs.