Russian standards PDF
Railways with 1520 mm track
Document status: Replaced by SP 119.13330.2012
Railway and highway tunnels
Document status: Replaced by SP 122.13330.2012
Hydraulic engineering constructions. Basic principles
Document status: Replaced by SP 58.13330.2012
Underground storages of natural gas, oil and processing products
Document status: Replaced by SP 123.13330.2012