00312nam a2200121Ia 450000500170000000800410001704100080005808200160006610000230008224500390010526000370014430000090018120260720174651.0260720s1964    xx            000 0 und d  aeng  a370.78 BRAT  aBradford, P Leland  aT-group theory & laboratory method  aLondonbJohn Willey & Sonsc1964  a498p