TY - BOOK ID - 134535662 TI - Proceedings of the marsh bird monitoring workshop : 26-28 April 1998 AU - Ribic, Christine A. AU - Geological Survey (U.S.) AU - U.S. Fish and Wildlife Service. PY - 1999 PB - Laurel, Md : U.S. Fish & Wildlife Service : U.S. Geological Survey, DB - UniCat KW - Water birds KW - Wetland ecology KW - Bird populations KW - Birds KW - Monitoring KW - Counting KW - Research UR - https://www.unicat.be/uniCat?func=search&query=sysid:134535662 AB - ER -