000 00282nam a2200121Ia 4500
008 211209s1950 xx 000 0 und d
041 _aeng
082 _a428.2 TOW
100 _aGASTILL P A
245 _aENGLISH FOR SCIENCE STUDENTS
260 _bDAVID FULTON PUB.
_c1950
300 _a190
999 _c45
_d45