00369nam a2200133Ia 4500008004100000082001800041100001800059245002400077260004700101300001300148490004200161600001700203650001500220140224s9999    xx            000 0 und d  a576.312.32 L0  aDu Praw, E.J.  aDNA and chromosomes  aNew YorkbHolt, Rinehart and Winstonc1970  axi,340p.  aMolecular and Cellular Biology Series  a E.J.Du Praw  aChromosome