A manual of scientific enquiry : prepared for the use of Her Majesty's Navy and adapted for travellers in general / edited by Sir John F.W. Herschell , published by authority of the Lords Commissioners of the Admiralty .— : John Murray, 1849 .— 511 с. — Lang: eng .— URL: https://rucont.ru/efd/104603 (дата обращения: 20.11.2025)