@book{ Solr-486040, title = {An introduction to prestressed concrete.}, author = {Threlfall, A. J.}, editor = {Allen, A. H. (Arthur Horace)}, address = {Crowthorne}, publisher = {British Cement Association}, year = {2002}, edition = {2nd ed. /}, pages = {27}, note = {Previous ed.: published as by A.H. Allen. 1981.}, note = {Text on inside cover.}, }