Cecilia Payne-Gaposchkin
1 ta ish
Harvard College Observatory
<i>Astronomical Techniques</i>
W. A. Hiltner, G. P. Kuiper, Barbara M. Middlehurst +1
Maqola19632 iqtibosABI
Kashfiyot
Xizmatlar
Ishlab chiquvchilar uchun
1 ta ish
Harvard College Observatory
W. A. Hiltner, G. P. Kuiper, Barbara M. Middlehurst +1