00306    a2200109   4500020001500000082001500015100002100030245004500051260003900096300002300135650003800158  a1559635770  a304.2bWIL  aWilliams, Brooke  aHalflivesbreconciling work and wildness  aCaliforniabShearwaterc1999g1999  axiii, 191p.c21cm.  aFACTORS AFFECTING SOCIAL BEHAVIOR