--subdivision Transport properties under individual chemicals and groups of chemicals and individual materials and types of materials, e.g. Copper--Transport properties; Metals--Transport properties
Here are entered works on the use of explosive devices for the purposes of political terrorism, protest, etc. Works on sustained military attacks on cities, military positions, etc., with bombs, shells, rockets or other explosive missiles are entered under Bombardment. Works on military bombardments by means of bombs dropped from the air are entered under Bombing, Aerial.
