This is one of the most reliable sources for Soviet-era technical textbooks. You can search for the specific 1984 edition in their Building Materials section. Note that a free registration is usually required to download.
Since the file is in , you will need a specific reader to open it: WinDjView: The most popular lightweight reader for Windows. This is one of the most reliable sources
An open-source alternative available for Mac and Linux. This is one of the most reliable sources