TY - RPRT TI - Zero-headspace coal-core gas desorption canister, revised desorption data analysis spreadsheets and a dry canister heating system AU - Charles E. Barker AU - Todd A. Dallegge PY - 2005 DO - 10.3133/ofr20051177 UR - https://pubs.usgs.gov/publication/ofr20051177 ID - ofr20051177 ER -