Short description: In Russian. Lyashko, Ivan Ivanovich. Calculation of filtration in the zone of hydraulic structures. Kyiv: Budvelnik, 1977. 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.SKU7661900