00402nam a2200157Ia 4500003000500000008004100005020001800046040001900064082000700083100002200090245006600112260003600178300001000214365000800224546001200232STCL221019s9999    xx            000 0 und d  a9788187134640  aSTCLcSTCLbEN  222  aKaur, Ratan Kumar 0aFrontier orbital and symmetry controlled pericyclic reactions  bBooks and AlliedaKolkatac2012  a278 p  b345  aEnglish