000 00353nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aNorman Maclean
245 0 _aThe Differentiation of Cells
250 _a1st Ed
260 _aMaryland
260 _bUniversity Park Press
260 _c1977
650 _aThe Differentiation of Cells
942 _cBK
999 _c1942
_d1942