000 00262pam a2200121a 44500
008 230405s1900 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aMayr , Ernst
245 _aThis Is Biology
260 _a
_b
_c1900
440 _aSource =
906 _a4990
999 _c785214
_d785214