00354nam a2200133 a 450000500170000000800410001704100080005808200110006610000230007724500450010026400410014530000110018665000230019720260717090930.0260717s1969    ii            000 0 eng d  aeng04a576.821 aGerking, Shelby D.10aBiological systems /cGerking, Shelby D. 1aLondon :bW. B. Saunders co.,c1969.  a480 p. 4aBiological systems