Çokak is the name of several places ...
δ Ophiuchi (Delta Ophiuchi ) is a star of spectral It has an apparent...
Edward Augustus Stevenson ( born June 15, 1831 in Lowville ...
A Unipolarmaschine (also called Unipolargenerator The peculiarity of t...
Inga Kristina Gentzel ( born April 24, 1908 in Stockholm ...
Pak stands for ...