000 003520000a22001450004500
060 _a100
082 _a574.876 12 SPR
100 _aSpralt, Nelson T
245 _aIntroduction to cell differentiation
260 _aChapman & Hall ltd. 11 new fetter lane Ec 4
260 _c1964
300 _a115
650 _aCell differentiation
942 _cBK
999 _c352198
_d352198