The machine in America : a social history of technology / Carroll Pursell. - Baltimore ; London : Johns Hopkins Univ. press, c.1995. - xvi, 358 p. : ill. ; 23 cm.см.. - (U.S. history/Technology). - ბიბლიოგრ.: გვ. 333-345. - ISBN 0-8018-4818-0[MFN: 124254]