00304nam a2200121Ia 450000500170000000800410001704100080005808200130006610000210007924500330010026000400013330000090017320260720174644.0260720s1991    xx            000 0 und d  aeng  a200 BLUU  aBlumenthal, Erik  aUnderstand and be understood  aBombaybBetter Yourself Booksc1991  a155p