TY - BOOK AU - Sherman, Windsor L TI - NASA Technical Note :APPROXIMATE SOLUTION FOR LUMINOSITY DISTANCE IN ZERO-PRESSURE RELATIVISTIC MODEL UNIVERSES THAT HAVE THE U-PROPERTY PY - 1965/// CY - Washington, D.C. PB - NASA KW - ZERO-PRESSURE RELATIVISTIC MODEL N1 - Technical Note D-3041-3050 ; Bound Vol. No.83094 contents TR14960-14968 ER -