000 00270nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aDeGregori, Thomas R
245 0 _aTheory of Technology
250 _a1st Ed.
260 _bKerala Bhasha Institute
_c1973
942 _cBK
999 _c35243
_d35243