THE DEVICE OF THE SHALLOW FRAME (HALF-FRAME) WITH QUICK FITTING OF A BEESWAX FOUNDATION AND ITS ADVANTAGE. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 1, p. 336–338, 2019. DOI: 10.17770/etr2019vol1.4104. Disponível em: https://archive-journals.rtu.lv/etr/article/view/4248.. Acesso em: 11 mar. 2026.