KHACHATRYAN, Sh.V. IMPORTANCE OF TROKTOLIT-HARZBURGITE ROCKS FOR IMPROVING PHYSICAL AND MECHANICAL PROPERTIES OF PORTLAND CEMENT. Proceedings of the YSU C: Geological and Geographical Sciences, Yerevan, Armenia, v. 49, n. 2 (237), p. 3–8, 2015. DOI: 10.46991/PYSU:C/2015.49.2.003. Disponível em: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol49_no2_2015_pp003-008. Acesso em: 16 may. 2024.