00479nam a2200157 a 450000500170000002000180001708200160003510000200005124500460007125000120011726000510012930000240018049000420020450000500024670000250029620251203112253.0  a9780736072472  a615.82bMAR  aMarcus, Bess H.  aMotivating people to be physically active  a2nd ed.  aUnited States of AmericabHuman Kineticsc2009  axv,200p.c22cm.bPB  aPhysical activity intervention series  aincludes bibliographical references and index  aForsyth, LeighAnn H.