00705nam a2200229 a 4500 42549 BD-RjUL42667 20211209053546.0 160613t19691968enka|||| |||| 001 0 eng d (BD-RjUL)42667 BD-RjUL eng BD-RjUL eng 23 338.01 MAE 1969 Mansfield, Edwin. 130843 The economics of technological change / Edwin Mansfield London : Loew & Brydone (Printers) ltd, c1968 x, 257p. : ill. ; 25 cm. Bibliography includes Technological innovations United States 130916 Research, Industrial 130917 ddc BK 42549 42549 0 0 ddc 0 0 NFIC RUCL RUCL Stack 1971-02-17 Zeithinger 50.00 0 338.01 MAE 1969 2016-06-13 00:00:00 C-2 2021-12-09 BK 0 0 ddc 0 1 NFIC RUCL RUCL Reading 2024-10-17 Registrar, R.U. 0 338.01 MAE 1969 2024-10-17 00:00:00 C-1 2024-10-17 BK