%0 Journal Article %T Effects of Thinning on Ring Mass Growth along Stem of Douglas Fir in Four Coastal Pacific Northwest Sites %A Briggs, David G %A Kantavichai, Rapeepan %J Forest Science %V 64 %N 2 %P 139-148 %@ 0015-749X %D 2018-04-01 %~ DeepDyve