@book{symmetrical+masonry+arches+including+natural+stone+plain+concrete+and+reinforced+concrete+arches+for+the+use+of+technical+schools+engineers+and+computers+in+designing+arches+according+to+the+elastic+theory,
    author = {Howe, Malverd Abijah},
    title = {Symmetrical masonry arches including natural stone, plain-concrete, and reinforced-concrete arches : for the use of technical schools, engineers, and computers in designing arches according to the elastic theory},
    address = {New York i London},
    publisher = {John Wiley & Sons ; i Chapman & Hall, Limited},
    date = {1906}
}