00372nam a2200157Ia 450000500170000000800410001708200120005810000180007024500350008825000120012326000300013530000130016565000120017894200070019099900170019720240821151528.0240821s9999||||xx |||||||||||||| ||und||  a574 DYB  aDyball, R. H. 0aScience master's book: biology  a1st ed.  aLondonbJohn Murrayc1952  ax, 275p.  aBiology  cBK  c29838d29838