TY JOUR TI Two spinel populations from the Cretaceous-Paleogene K/T boundary clay layer in the Gams stratigraphic sequence, Eastern Alps KW K/T boundary KW spinel KW impact KW Eastern Alps. JO Russian Journal of Earth Sciences AU , .. AU , .. AU , .. AU , .. PY 2007 IS 9 PB Геофизический центр Российской Академии Наук