Andreeva, Svetlana L., Svetlana S. Velikanova, Natalia V. Kozhushkova, Svetlana V. Ovcharova, Aleksandra K. Makarova, and Oksana P. Chernykh. 2018. “Archive Activities in Terms of Electronic Document Authenticity and Copy Number Variation”. Amazonia Investiga 7 (17):531-40. https://amazoniainvestiga.info/index.php/amazonia/article/view/769.