Science dimension. V.4, no.3, June 1972 Ottawa : National Research Council of Canada. 31 pages.
Nova Scotia Archives Library - use request slip - V/F V.73 #2 - Vertical File
search Internet Archive
please note : not all titles are available on the Internet Archive29341
Nova Scotia Archives — https://archives.novascotia.ca/library/catalogue/
Crown copyright © 2026, Province of Nova Scotia.