000 00533nam a2200193Ia 4500
003 OSt
005 20220926045627.0
006 a|||||r|||| 00| 0
007 ta
008 220923b |||||||| |||| 00| 0 eng d
037 _cGeneral Book
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _aX:2:(B).73.N6, K6/TD
100 _aBROWN M
_9350473
245 0 _aOn the theory and measurment of technological chan
942 _hX:2:(B).73.N6, K6/TD
_cGB
_2CC
999 _c678184
_d678184