https://catalogue-scientifique.canada.ca/record=1167167~S6*frc
Rechercher National Research Council Canada; Rechercher De Leuw, Cather & Company; Rechercher De Leuw, Cather & Company of Canada; Rechercher De Leuw, Cather and Company of Canada; Rechercher DeLCan, De Leuw Cather, Canada Ltd; Rechercher Institute for Research in Construction (Canada)
DeLCan, 1980
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