Fortification of Island Terrain: Second World War German Military Engineering on the Channel Island of Jersey, a Classic Area of British Geology

Rose, E. P. F., Ginns, W. M., & Renouf, J. T. (2002). Fortification of Island Terrain: Second World War German Military Engineering on the Channel Island of Jersey, a Classic Area of British Geology (pp. 265–309). https://doi.org/10.1007/978-94-017-1550-8_17