by F. G. Baksht ... [and others] ; Russian ed. edited by B. Ya. Moyzhes and G. Ye. Pikus ; English ed. edited by Lorin K. Hansen ; prepared for Division of Power Systems, Office of Fossil Energy Programs, U.S. Dept. of Energy
Pulkovskiĭ obzor neba v radiolinii mezhzvezdnogo neĭtralʹnogo vodoroda, III : nabli︠u︡denii︠a︡ v zone [the mathematical expression, delta is greater than or equal to -29 ̊but less than or equal to +40]̊ ...