M. Nakamura

Electric Field Measurement on the Akebono (EXOS-D) Satellite

Akira Kadokura, Takahiro Obara, Ayako Matsuoka, 1990 .

Greenland telescope project: Direct confirmation of black hole with sub‐millimeter VLBI

P. M. Koch, W. Brisken, R. Blundell, 2014, 1407.2450.

White Paper on East Asian Vision for mm/submm VLBI: Toward Black Hole Astrophysics down to Angular Resolution of 1~R$_{S}$

M. Kino, K. Fujisawa, A. Doi, 2017 .

Greenland Telescope (GLT) Project: "A Direct Confirmation of Black Hole with Submillimeter VLBI"

P. Raffin, H. Nishioka, S. Matsushita, 2013, 1310.1665.

A wide and collimated radio jet in 3C84 on the scale of a few hundred gravitational radii

J. A. Zensus, G. Giovannini, M. Orienti, 2018, 1804.02198.