00274nam a2200109Ia 450000500170000000800410001708200120005810000190007024500310008926000360012030000080015620260224040823.0260224s9999||||xx |||||||||||||| ||und||  a574 BER  aBernstein, R.  0aBiology, the study of life  aNew York: HARCOurt Brace c1982  a654