Short description: In Russian. Kaganovich, Lazar Moiseevich. Improvement of the current maintenance of the track and establishment of a classification of track works [for reconstruction, capital and medium repair]. Mahach-Kala: b.i., 1939. You are welcome to reach out to us for a detailed description of the copies currently available. Delivery of this book may take longer than usual including extended processing and pre-shipping time, no expedited shipping is available. Please advise us if you have a set date or a deadline to receive your order.SKU5190824