Engineers , an English journal. 



Key Words - Systera/Europe/Concrete/Accretion/Misc-plan/1900-1949/ 



"On the Coastal Groins" 5411GR0001 



Nagai , S . , Proceedings of First Conference 

 on Coastal Engineering, JSCE, Nov., 1954 



Key Words - Not Annotated/ 



"Concrete Shore Protection" 5500GR0001 



Anonymous, Portland Cement Association, 

 Chicago, Illinois, 1955, pp. 3-31. (Brochure) 

 (V.F. 1244) 



An illustrated brochure on the use of concrete foreshore pro- 

 tection structures deals briefly with erosion and its causes, and 

 presents a concise analysis of wave action. Types of seawalls, 

 revetments, groins, and jetties are also discussed with regard to 

 applicability of various sections of the structures to different 

 problems . 



Key Words - Concrete/System/Erosion/Structural-design/Permeable/ 



Geometric-shapes/1900-1949/1950-1954/Single/ Impermeable/ 



"Allgemeine Empfehlungen fiir den 5500GR0002 



Deutschen Kiistenschutz" 



Coastal Commission of North Sea and Baltic 



Sea, Die Kiiste, Kiel, West Germany, Vol. 4, 1955, 



pp. 52-61. (GS457.5 .K97) 



Translated Title: "General Recommendations for German Coastal 

 Protection." 



Key Words - Not Annotated/ 



"Hundert Jahre Kflstenschutz an der Nordsee" 5500GR0003 



Lorenzen, J. M. , Die Kiiste, Kiel, West Germany, 

 Vol. 3, No. 1/2, 1955, pp. 18-32. (GB457.5 

 .K97) 



61 



