000 00259nam a2200097Ia 4500
100 _aMason E W & Ellis M B
245 _aBritish Species of Periconia No 56
260 _bCommonwealth Mycological Inst, U K
082 _aI23/N53.56/B07791
300 _app 127; 25*16
999 _c3425
_d3425