Air velocity measurements by the ionization method
by Kauko Janka, Esa Mäkinen, Hannu Salmi, Gunnar Graeffe, Matti Lehtimäki
Writing a summary for young readers…
For young readers
Book data: Open Library
by Kauko Janka, Esa Mäkinen, Hannu Salmi, Gunnar Graeffe, Matti Lehtimäki
Book data: Open Library