%0 Book %D 1990 %T Higher Stages of Human Development: Perspectives on Adult Growth %A E Langer %E E Langer %E C Alexander %I Oxford University Press %C New York %G eng %U http://www.amazon.com/Higher-Stages-Human-Development-Perspectives/dp/019503483X %0 Book %D 1990 %T Mindfulness %A E Langer %I Da Capo Books %C Reading %G eng %U http://www.amazon.com/Mindfulness-Merloyd-Lawrence-Ellen-Langer/dp/0201523418