TransliterationAndreev O.V., Boldakov E.V., Gajduk K.V. i dr. Kratkij spravochnik po malym mostam i trubam (izyskanie i proektirovanie). In Russian
In EnglishAndreev About.in., Boldakov E.in., Haiduk K.in. and etc. brief reference the small bridges and pipes (seeking and design). In Russian, Moscow
$199