Yazar
Petr Hadrava
6 cilt bulundu.
Petr Hadrava · Astronomical Institute of the Academy of Sciences of the Czech Republic
43 sayfa · 2004
Astronomical observatories / Astronomical spectroscopy / Astronomy / Telescopes / History
Petr Hadrava · Astronomický ústav AV ČR v nakl. Vesmír
373 sayfa · 1998
Astronomický ústav (Akademie věd České republiky) / Astronomy / History
Miroslav Plavec, Petr Hadrava · Astronomical Institute of the Academy of Sciences of the Czech Republic
104 sayfa · 2001
Stars / Congresses
Alena Hadravová, Petr Hadrava, Kristen Lippincott · Astronomical Institute of the Czech Academy of Sciences
483 sayfa · 2019
Stars / Stars in literature / Medieval Astronomy / Astronomy
Alena Hadravová, T. J. Mahoney, Petr Hadrava · National Technical Museum in Prague
186 sayfa · 2010
Astronomers / Biography / Astronomy / History