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Pavel Ivanovich Bulovskiǐ
Testing of aircraft instruments [by] P.I. Bulovskiy [and] E.M. Idel'son
![Testing of aircraft instruments [by] P.I. Bulovskiy [and] E.M. Idel'son](https://s3.amazonaws.com/readfeedstatic/book_covers/thumbnails/rf-placeholder.png)