Engel, I .
Structural principles / Textual Documents I.Engel. - 1 / . - Prentice Hall Inc , 1984. - 363 ; .
0-13-854019-5
624.171 / ENG/ST
Structural principles / Textual Documents I.Engel. - 1 / . - Prentice Hall Inc , 1984. - 363 ; .
0-13-854019-5
624.171 / ENG/ST