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• 000 1000109052

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• 005 20100322092327.0

• 008 711012s1968 nyua b 001 0 eng

• 010 __ |a 66011414

• 020 __ |c CNY60.00

• 040 __ |c PUL

• 043 __ |a n-us---

• 050 0_ |a HC110.T4 |b M3

• 082 __ |a 338/.01

• 090 __ |a F171.243/ME

• 093 __ |a F171.243 |2 4

• 099 __ |a CAL 022000239548

• 100 1_ |a Mansfield, Edwin, |d 1930- |0 CAL n2004361917# |7 ba0yba0y

• 245 14 |a The economics of technological change / |c Edwin Mansfield.

• 260 __ |a New York : |b W.W. Norton & Company, |c c1968.

• 300 __ |a x, 257 p. : |b ill. ; |c 24 cm.

• 504 __ |a Includes bibliographical references and index.

• 650 _0 |a Technological innovations |z United States.

• 650 _0 |a Research, Industrial |z United States.

• 901 __022010000493

• 905 __ |a CAU |f F171.243/ME |b ZX000767(or.)

• 907 __ |a CAU |f F171.243/ME |b ZX000767(or.)

• 999 __ |t C |A xy1 |a 20100318 15:53:57 |I xy1 |i 20100322 09:23:27 |G gxr |g 20100326 10:28:5