APA-referens (7:e uppl.)

Narayanamurti, D., & Purushotham, A. (2023). Studies in permeability, part 1 – A preliminary note on the permeability of wood and other materials to air. Forest Research Institute, Dehradun.

Chicago-referens (17:e uppl.)

Narayanamurti, D., och A. Purushotham. Studies in Permeability, Part 1 – A Preliminary Note on the Permeability of Wood and Other Materials to Air. Forest Research Institute, Dehradun, 2023.

MLA-referens (9:e uppl.)

Narayanamurti, D., och A. Purushotham. Studies in Permeability, Part 1 – A Preliminary Note on the Permeability of Wood and Other Materials to Air. Forest Research Institute, Dehradun, 2023.

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