Science and Technology for Sustainable Maritime Development. Varna: VFU Chernorizets Hrabar, 2015 205 с. : с табл., диагр., цв. ил. 978-954-8991-81-0.
Science and Technology for Sustainable Maritime Development. Varna: VFU Chernorizets Hrabar, 2015 205 с. : с табл., диагр., цв. ил. 978-954-8991-81-0.
(2015) Science and Technology for Sustainable Maritime Development, Varna: VFU Chernorizets Hrabar 205 с. : с табл., диагр., цв. ил. 978-954-8991-81-0.
(2015). Science and Technology for Sustainable Maritime Development. International Scientific Conference : Conference Proceedings, Varna, 13 - 14 May 2014. Varna: VFU Chernorizets Hrabar.
Science and Technology for Sustainable Maritime Development: International Scientific Conference : Conference Proceedings, Varna, 13 - 14 May 2014. Varna: VFU Chernorizets Hrabar; 2015. p. 205 с. : с табл., диагр., цв. ил. ISBN: 978-954-8991-81-0.