A.P. USHER, "A HISTORY OF MECHANICAL INVENTIONS", Rev. ed., DOVER, NEW YORK, 1988, ISBN 0-486-25593-X.

C. FREEMAN AND L. SOETE, "THE ECONOMICS OF INDUSTRIAL INNOVATION" 3D ED., MIT PRESS, CAMBRIDGE, 1997, ISBN 0-262-56113-1.

REFERENCE:

1.- L.A. GIRIFALCO, "DYNAMICS OF TECHNOLOGICAL CHANGE", VAN NOSTRAND REINHOLD, NEW YORK, 1991, ISBN 0-442-00563-6.

2.- I. McNEIL (ED.), "AN ENCYCLOPEDIA OF THE HISTORY OF TECHNOLOGY" ROUTLEDGE, NEW YORK, 1996, ISBN 0-415-14792-1.

3.- W.E. BIJKER, "OF BICYCLES, BAKELITES, AND BULBS: TOWARD A THEORY OF SOCIOTECHNICAL CHANGE", THE MIT PRESS, CAMBRIDGE, 1995, ISBN 0-262-52227-6.

4.- D. BOSWORTH, R. WILSON AND P. TAYLOR, "TECHNOLOGICAL CHANGE: THE ROLE OF SCIENTIS AND ENGINEERS", AVEBURY, BROOFIELD, 1992, ISBN 1-85628-322-4.

5.- E. BOSERUP, "POPULATION AND TECHNOLOGICAL CHANGE: A STUDY OF LONG-TERM TRENDS", THE UNIVERSITY OF CHICAGO PRESS, CHICAGO, 1981, ISBN 0-226-06673-8.

6.- M. BROWN, "ON THE THEORY AND MEASUREMENT OF TECHNOLOGICAL CHANGE" CAMBRIDGE UNIVERSITY PRESS, CAMBRIDGE, 1968.

7.- W. RUIGROK AND R. VAN TULDER, "THE LOGIC OF INTERNATIONAL RESTRUCTURING", ROUTLEDGE, NEW YORK, 1995, ISBN 0 415-12239-2.

8.- J.P. MARTINO, "TECHNOLOGICAL FORECASTING FOR DECISION MAKING" 3D ED., MCGRAW-HILL, NEW YORK, 1993, ISBN 0-07-040777-0.

9.- R.U. AYRES, "INFORMATION, ENTROPY, AND PROGRESS: A NEW EVOLUTIONARY PARADIGM", AMERICAN INSTITUTE OF PHYSICS PRESS, NEW YORK, 1994, ISBN 0-88318-911-9.

10.- E. von HIPPEL, "THE SOURCES OF INNOVATION", OXFORD, NEW YORK, 1988, ISBN 0-19-509422-0.

11.- T.K. DERRY AND T.I. WILLIAMS, "A SHORT HISTORY OF TECHNOLOGY", DOVER, NEW YORK, 1993, ISBN 0-486-27472-1

12.- G. BASALLA, "THE EVOLUTION OF TECHNOLOGY", CAMBRIDGE, CAMBRIDGE, 1988, ISBN 0-521-29681-1

SOFTWARE SOURCES:

1.- Stella and I-think

2.- Vensim