000 00248nam a2200085Ia 4500
100 _aJohnson M L, Abercrombie M & Fogg G E Eds
245 _aNew Biology : Vol 17
260 _bPengin Books Ltd, London, UK
082 _aGn561,N45 N54.17/JOHNSON M L/B02313
999 _c19971
_d19971