000 00301nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aKatherine Esau
245 0 _aVascular differentiation in plants
260 _b"Holt, Reinhart and whiston "
260 _c1965
365 _b59.62
942 _cBK
999 _c198040
_d198040