000 | 00462pam a2200169a 44500 | ||
---|---|---|---|
008 | 170807b1997 xxu||||| |||| 00| 0 eng d | ||
020 | _a | ||
082 | _a6124 | ||
100 | _aGreenstein, Shane M | ||
245 | _aDynamic modelling of the product life cycle in the commercialmainframe computer market, 1968-1982 | ||
260 |
_aCambridge, MA _bNBER _c1997 |
||
300 | _a41p + tables, c | ||
490 | _a | ||
700 | _aWade James B | ||
906 | _a38608 | ||
942 |
_2ddc _cG |
||
999 |
_c131108 _d131108 |