The content is licensed under a Creative Commons Attribution-Noncommercial (4.0) license (CC BY-NC 4.0).

The authors sign exclusive license agreements, whereby the authors retain copyright but license exclusive rights for their work to the publisher Pipeline Transport Institute (PTI). PTI as the copyright holder is granted the exclusive right to publish and distribute a paper, and to grant rights authorization to copying items for general distribution, for advertising and promotional purposes, for creating new collective works, and for internal and personal use by others.

This publication may be freely reproduced, stored or transmitted in any form or by any means, provided this is not done for commercial purposes and provided the user gives appropriate credit (with a link to the formal publication through the relevant DOI), and provides a link to the license, and indicates if changes were made and that the licensor is not represented as endorsing the use made of the work.

The licensor cannot revoke these freedoms as long as the user follows the license terms.

Special requests should be addressed to the Pipeline Transport Institute, Moscow, Russian Federation, or to the editor.

Author's rights

The Author(s), in submitting this paper to the Editors, entrust the latter to promulgate the work by means of its publication in print.

The Author(s), in submitting this paper to the Editors and signing this contract agreeing to the transfer of copyright, consent to the non-exclusive material rights to use of the paper being transferred to the Editors of the journal (“the paper” includes all material given to the Editors of the journal, including copyrighted materials such as the author’s photographs, figures, diagrams and tables), including its reproduction in print and on the Internet; the rights to distribution; the rights to translation into any language in the world; the rights to export and import copies of the journal containing the paper of the Author(s) in the interests of distribution and dissemination to the general public. The rights of the Author(s) indicated above will be transferred to the Editors with no limit on the period of time, across the territory of all the countries of the world, including the territory of the Russian Federation.

The Editors and Publisher reserve the right to transfer the rights which they have received from the Author(s) to third parties, and reserve the right to forbid third parties from using materials published in the journal for commercial gain.

The Author(s) guarantee that they have exclusive rights to use of the material submitted to the Editors. In the case of this guarantee being broken and complaints against the Editors arising in connection with this, the Author(s) are obliged to settle all complaints independently and at their own expense. The Editors do not bear responsibility before third parties for any infringement of the guarantees given by the Author(s).

The Author(s) retain the right to use the published material, extracts or sections of it for personal use, including for academic and teaching purposes. The rights to the manuscript are considered to be transferred by the Author(s) to the Editors from the moment it is accepted for print.

Reprinting of any materials which are published in the journal by other physical or legal persons is possible only with the written permission of the Publisher where the name of the journal, number and year of publication must be indicated.

In publishing papers in this journal, the Authors consent to the following:

            - The Authors retain copyright and grant the journal the right to publish the work first. Six months     after publication, the work will automatically be licensed under the conditions of the Creative Commons Attribution License, which allows others to reproduce the given work with mandatory reference to the authors of the original work and its original publication in this journal.

          - The Authors have the right to publish their work on the Internet (for example in an Institute’s archive or on a personal site) before and during its consideration by this journal, as this may lead to productive discussion and a greater quantity of references to the given work (The Effect of Open Access).