Larry L. Watts, Extorting Peace, Chapter II: The Clash of 1978 (PDF):
The new heads of the interior ministry and the DSS were especially incensed to discover that despite its self-publicity of allegedly phenomenal performance, in fact, the DIE’s scientific-technical branch for which Pacepa had direct responsibility had made no noteworthy technological acquisitions in either Germany or the U.S.. Virtually all of the documents and equipment provided under Pacepa’s watch were found to originate from open sources. His self-advertised covert procurement successes consisted largely of technical masters’ degree theses and doctoral dissertations freely accessible at U.S. universities, and equipment legally purchased on the open market and at trade shows.*
*A post-1989 investigation by US authorities discovered that the only significant theft was a commercial one. Stolen vehicle windshield technology was used in the manufacture of Romanian cars. Investigators uncovered no evidence that Bucharest had stolen any US military technology.