Reijer,E.C. de. — De IJssellinie 1950-1968.

Zwolle & Zeist, 1997. 174 pp. B./w. ills. Orig. hardcover, d./j.Monograph on De IJssellinie; the Dutch portion of the NATO Cold War line of defence for Western Europe during the 1950s and 1960s. It consisted of anti-aircraft and machine gun bunkers, command and hospital bunkers, and many Ram and Sherman tank bunkers encased in concrete. These elements were placed along the river IJssel.