TY - RPRT TI - Letter Circular 194: list of scientific publications of the laboratory for special radio transmission research, formerly the U.S. Naval radio research laboratory AU - Austin, LW PY - 1926 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - LCIRC 194 DO - 10.6028/NBS.LCIRC.194 ER -