Makarchuk, Andriy     Data sharing & integration among commercial and custom-developed cax systems [Текст] / Andriy Makarchuk, Oleh Matviykiv, Ihor Farmaha, Piotr Spiewak // CAD in machinery design - implementation and educational issues CADMD 2013 : proc. of the XXI Pol.-ukr. conf., Okt. 11-12, 2013, Lancut, Poland / Warsaw. Univ. of Technology, Lviv Politechniс Nat. Univ. — Warsaw, 2013. — P. 35-36.