000 003040000a22001330004500
008 140223b1954 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aG12 J4
082 _aG12 J4
100 _aWILLMER (E.N)
245 _aTissue culture.
260 _aLondon
_bMethuen
_c1954
650 _aCHROMOSOMES
999 _c99439
_d99439