"ryder, john d. "
"networks , lines and fields: / john.d. ryder" - 2 ed. - usa : prentice-hall 1955. - "xi, 593p.; 22 cm."
hard cover
--
621. 310 42 ryd
"networks , lines and fields: / john.d. ryder" - 2 ed. - usa : prentice-hall 1955. - "xi, 593p.; 22 cm."
hard cover
--
621. 310 42 ryd