000 00306nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a546:547.8
_bHEA
100 _aHeal, H G
245 0 _aInorganic heterocyclic chemistry of sulfur,nitrogen and phosphorus
260 _aLondon
_bAcademic
_c1980
942 _cBK
999 _c36382
_d36382