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Author

Esko Valtaoja

7 books found

Cover of Avaruudesta

Avaruudesta

Esko Valtaoja · First published 2019

Cover of Kaiken käsikirja

Kaiken käsikirja

Esko Valtaoja · First published 2013

Cover of Kosmoksen siruja

Kosmoksen siruja

Esko Valtaoja · First published 2010

Cover of Kotona maailmankaikkeudessa

Kotona maailmankaikkeudessa

Esko Valtaoja · First published 2008

Cover of Hemma i världsrymden

Hemma i världsrymden

Esko Valtaoja · First published 2003

Cover of Variability of Blazars

Variability of Blazars

Esko Valtaoja, Mauri Valtonen · First published 1992

Cover of Relativistic electrons and magnetic fields in extragalactic radio sources

Relativistic electrons and magnetic fields in extragalactic radio sources

Esko Valtaoja · First published 1984