000 00307nam a2200121Ia 4500
008 200526s9999||||xx |||||||||||||| ||und||
082 _a428 SHA
100 _aSharma, R.C.
245 0 _aScientific Contexts: English for Technical Students
264 _bTata Mcgraw-hill
_c1980
300 _a123p.
942 _c
999 _c11227
_d11227