00288nam a2200097Ia 4500008004100000100002100041245005000062245002200112260000900134856004700143160531s9999    xx            000 0 und d  aBasu, Ratan Lal.  aMaterial Progress, Ethics & Human Development  cby Ratan Lal Basu  c2011  uhttp://www.smashwords.com/books/view/61251