000 00264 a2200109 4500
005 20250829164516.0
082 _a500
_bOPC
245 _aChemical Reactions
_cThe Open Univesity
260 _aMiltom Keynes:
_bThe Open University,
_c1974.
300 _a63p.
942 _cBK
999 _c57727
_d57727