Middleton, G.A.T. Surveying and surveying instruments / "by G.A.T. Middleton, author of ""Strains in structures"", and ""House drainage"""; G.A.T. Middleton .— : Whittaker and CO., 1894 .— 120 с. — Lang: eng .— URL: https://rucont.ru/efd/130092 (дата обращения: 10.05.2024)