000 00375nam a2200133Ia 4500
008 211217s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aThornley,G C
245 0 _aScintific english practice
260 _bOrient longman
_aCulcutta
_c1970
300 _avii,149p p.
653 _aEnglish language-Tecnical English
942 _c1
999 _c144432
_d144432