00294nam a2200109Ia 4500008004100000082001400041100002900055245002500084260004000109300001000149650002500159140113s9999    xx            000 0 und d  a576.32 L5  a"Christensen, Halvor N."  aBiological transport  b"London : W. A. Benjamin Inc, 1975"  a514p.  aBiological transport