| author | = | {Rajner, Marcin and Brzeziński, Aleksander}, |
| year | = | {2011}, |
| title | = | {Free Core Nutation period inferred from tidal gravity measurements at Józefosław, Poland, Poland}, |
| eventtitle | = | {agu Fall Meeting}, |
| venue | = | {Moscon Centre}, |
| address | = | {San Francisco, ca, usa}, |
| eventdate | = | {2011-12-05/2011-12-09}, |
| month | = | {dec}, |
| booktitle | = | {agu Fall Meeting Abstracts}, |