Find details of print publishers?

Question

Books

In particular, the following publishing houses are of interest:
- Moscow "Higher School"
- M. - L. Gosenergoizdat
Tell me, do these publishing houses still exist and how to contact them?
I need contacts of the author of one of the books listed above, how can I do this?
Thank you.

Answer 1

Have you tried searching on google?
The very first link www.vshkola.ru/ says:

From November 01, 2010, the exclusive sales representative of OJSC Publishing House Vysshaya Shkola is Abris Bookselling Company (Moscow)

Answer 2

I searched, did not understand.
ATP, a - M. - L. Gosenergoizdat?