000 00203 a2200085 4500
020 _a9781403495617
082 _223
_aJ 579. 0922 SNED
100 _aSnedden R.
_9140015
245 _aScientists and discoveries
999 _c770711
_d770710
942 _w8485
_xJulia Mabuza
_y8485
_zJulia Mabuza