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1.Golubchik R. M., Lebedev A. V. New methods piercing mills setting relaring to the cyclic forming of hollows. History and future of seemless steel tubes (7-th International Conference). Karlovy Vary, 1990, November. . 1/8 — 117.

2.!+ * . ., +! X. , . ., ' L . . < # $>- D # $? # " > $# $D# $>- > % C . XIII INTERNATIONAL SCIENTIFIC CONFERENCE. New technologies and achievements in metallurgy and materials engineering. Czestochowa, 2012. E. 341—347.

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1./ $ & $D# # % C #% >" & C#- > " & /. < #% " $ / . . & ? # , . . & 8$, . . # #-# . 1999. | 12. E. 24—27.

2./ $!#& ? / " # $# & $D# # % C-/ . . & ? # , .'. & , .'. # # . // % " # % . Š 8 && C# . 2002. | 11. E. 30—33.

3.< ! . ., +! X. ., # '. . " 8 > %8- " / $D# > " : > VI 8 C C "" $# . . 1 ( #$, 18—21 ? 2005 C.). .: «Š 8 # ! 8 # », 2005. E. 428—431.

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