Federated States of Micronesia country report: profiles and results from survey work at Yyin and Riiken (Yap) and Piis-Panewu and Romanum (Chuuk) (April-May 2006) - Kronen M.; Boblin P.; Friedman K.J.; Pinca S.; Magron F.; Awira R.; Pakoa K.; Lasi F.; Tardy E.; Chapman L.B.; Vunisea A. (2009)