https://catalogue-scientifique.canada.ca/record=1217315~S6*frc
Rechercher United States. Public Health Service; Rechercher United States. National Technical Information Service; Rechercher Arthur G. McKee & Company. Western Knapp Engineering Division; Rechercher United States. National Air Pollution Control Administration. Division of Process Control Engineering; Rechercher N T I S
NTIS, 1970
Publication gouvernementale