000 00286nam a2200109Ia 4500
001 84058
008 170722s9999 xx 000 0 und d
245 _aNUFFIELD BIOLOGY. 2V. v1. Text. v2. Teachers guide /
260 _c1968.
490 _aNuffield foundation publications
942 _cGEN
999 _c85556
_d85556