TY - BOOK AU - Ramsbottom, D. AU - Day,R. AU - Rickard,C. TI - Culvert design manual SN - 0860174670 CY - London PB - Construction Industry Research and Information Association, 1997 (Rep. 2003) KW - Culverts KW - Design and construction N1 - Includes references (p. 187-189) ER -