APA Citation

Hellgren, G. (1953). The propagation of electromagnetic waves along a conical helix with variable pitch. Chalmers Tekniska Högskolas handlingar 130.

Chicago Style Citation

Hellgren, Gösta. "The Propagation of Electromagnetic Waves Along a Conical Helix With Variable Pitch." Chalmers Tekniska Högskolas Handlingar 130 1953.

MLA Citation

Hellgren, Gösta. "The Propagation of Electromagnetic Waves Along a Conical Helix With Variable Pitch." Chalmers Tekniska Högskolas Handlingar 130 1953.