00644naa#a2200169#i#450# EN\ACADEMUS PUBLISHING\bibl\2744 20241121154618.4 20121124b2012####ek#y0engy0150####ca RU SPATIAL AND TEMPORAL VARIABILITY OF GRANULOMETRIC COMPOSITION OF THE BALTIC (VISTULA) SPIT BEACHE SEDIMENTS Conference article/thesis San Francisco Academus Publishing 2012 3 с. Conference article/thesis local Общие вопросы экономических наук. 06.01 grnti Bobykina V. P. Zhurahovskaya P. M. academuspub.com