00601naa#a2200169#i#450# EN\ACADEMUS PUBLISHING\bibl\2785 20241222155029.7 20121124b2012####ek#y0engy0150####ca RU EVOLUTION FORECAST OF THE GULF OF GDANSK SAND SPITS IN 21 CENTURY Conference article/thesis San Francisco Academus Publishing 2012 5 с. Conference article/thesis local Общие вопросы экономических наук. 06.01 grnti Leont'ev I. O. Akivis T. M. seacoasts.editorum.io