@book{ Solr-4498033, title = {Aerial survey data base, current and planned coverage : [Canada] = Banque de points de canevas photogrammétriques, couverture actuelle et prévue : [Canada].}, editor = {Canada Centre for Mapping}, address = {Ottawa}, publisher = {Canada, Dept. of Energy, Mines, and Resources, Canada Centre for Mapping}, year = {1989}, note = {"01-04-89."}, note = {"MCR 106."}, }