000 00299nam a2200097Ia 4500
082 _aJ 546 KNAP
245 0 _aChlorine, fluorine, bromine, and iodine
100 _a KNAPP, Brian Danbury, Conn., 2002 New and rev. ed
_939911
942 _cBK
008 210817s9999 xx 000 0 und d
999 _c390728
_d390727