TY  - BOOK
AU  - Johnson,George
TI  - Miss Leavitt's stars: the untold story of the woman who discovered how to measure the universe 
SN  - 0393328562 :
PY  - 2005///
CY  - London
PB  - W. W. Norton
KW  - Leavitt, Henrietta Swan,
KW  - Astronomy
KW  - History
KW  - Astronomical photometry
ER  -