000 00249nam a2200085Ia 4500
100 _aJohnson M L, Abercrombie M & Fogg G E Eds
245 _aNew Biology : Vol 23
260 _bPenguin Books Ltd, London, UK
082 _aGn561,N45 N57.23/JOHNSON M L/B02319
999 _c22191
_d22191