Miss Leavitt's stars :
Johnson, George.
Miss Leavitt's stars : the untold story of the woman who discovered how to measure the universe / George Johnson. - 1st ed. - London : W. W. Norton, 2005. - xiii, 162 p.
0393328562 :
Leavitt, Henrietta Swan, 1869-1921.
Astronomy--History.
Astronomical photometry.
Miss Leavitt's stars : the untold story of the woman who discovered how to measure the universe / George Johnson. - 1st ed. - London : W. W. Norton, 2005. - xiii, 162 p.
0393328562 :
Leavitt, Henrietta Swan, 1869-1921.
Astronomy--History.
Astronomical photometry.