@article{EversKlusmannZiegelmannetal.2011, author = {Evers, Andrea and Klusmann, Verena and Ziegelmann, Jochen P. and Schwarzer, Ralf and Heuser, Isabella}, title = {Long-term adherence to a physical activity intervention: The role of telephone-assisted vs. self-administered coping plans and strategy use}, journal = {Psychology \& Health}, volume = {27.2012}, number = {7}, issn = {1476-8321}, doi = {10.1080/08870446.2011.582114}, pages = {784 -- 797}, year = {2011}, language = {en} }