000 | 00635 a2200265 4500 | ||
---|---|---|---|
001 | 138055 | ||
020 | _a0-85520-078-21 | ||
041 | _aeng | ||
080 | _a5/6.001.5:338 Joh | ||
245 | _aEconomics of invention and innovation : with a case study of the development of the Hovercraft | ||
250 | _a | ||
260 | _aLondon | ||
260 | _bMartin Robertson, | ||
260 | _c1975 | ||
300 | _axi,329 p. | ||
300 | _c22 cm | ||
490 | _a | ||
100 | _aJohnson, P.S. | ||
700 | _a | ||
650 | _a | ||
650 | _aTechnological innovations-Economic aspects | ||
650 | _aGround effect machines-Case studies | ||
942 | _cBK | ||
942 | _2UDC | ||
999 |
_c63238 _d63238 |