000 00244nam a2200085Ia 4500
100 _aJohnson M L, Abercrombie M & Fogg G E
245 _aNew Biology : Vol 18
260 _bPengin Books Ltd, London, UK
082 _aGn561,N45 N55.18/JOHNSON M L/B02314
999 _c30287
_d30287