00329nam a22001337a 4500003000400000008004100004082001500045100002400060245002300084260004300107300001600150650001700166650001200183OSt220706b        |||||||| |||| 00| 0 eng d  a574 bG36B  aGerking, Shelby D.   aBiological systems  aPhiladelphia:bW.B.Saunders Co.c1969.  axiv, 480 p.  aPure Science  aBiology