000 00516nam a2200097Ia 4500
008 120223s9999 xx 000 0 und d
082 _a576.64 PON
100 _aPoten. J. P.
245 _aSpontaneous and virus induced transformation in cell culture
260 _bSpringer-Verleg
_aWien N.Y.
_c1971
999 _c151859
_d151859