TY - JOUR L1 - http://journals.pan.pl/Content/81906/PDF/03_lakowa.pdf L2 - http://journals.pan.pl/Content/81906 PY - 2013 IS - No 2 DO - 10.2478/agp-2013-0008 A1 - Iskra Lakova A1 - Petrova, Silviya PB - Komitet Nauk Geologicznych PAN PB - WydziaƂ Geologii UW VL - vol. 63 DA - 2013 T1 - Towards a standard Tithonian to Valanginian calpionellid zonation of the Tethyan Realm UR - http://journals.pan.pl/dlibra/publication/edition/81906 T2 - Acta Geologica Polonica ER -