Survey of India. (1987). Instructions for publication of maps by central/state government departments/offices and private publishers. Survey of India.
Chicago-referens (17:e uppl.)Survey of India. Instructions for Publication of Maps by Central/state Government Departments/offices and Private Publishers. [Dehra Dun]: Survey of India, 1987.
MLA-referens (8:e uppl.)Survey of India. Instructions for Publication of Maps by Central/state Government Departments/offices and Private Publishers. Survey of India, 1987.
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