Vorozhtsov Boris Ivanovich is 90 years old!

 

The article is dedicated to Boris Ivanovich Vorozhtsov.

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Contacts

Russia, 659305, Altai region, Biysk,
Trofimova Street, 27, room 404B
Tel. + 7-923-162-93-27
(executive secretary -
Golykh Roman Nikolayevich)
e-mail: info@s-sibsb.ru

The certificate