000 00299nam a2200133Ia 4500
654 _aELN
100 _aHeald.H.T.
250 _a1st Ed.
245 _aWorld Of The Engr.(Voice Of America Forum Lecture)
260 _bkognet
_c1971
082 _bHEA
_a24F-600
300 _a251p.
999 _c9649
_d9649
041 _aeng
655 _aF-01
546 _aText in English
300 _c21 cm.