00290nam a2200121Ia 450000500170000000800410001704100080005808200160006610000150008224500330009726000290013030000090015920260720174629.0260720s1960    xx            000 0 und d  aeng  a370.71 GREV  aGreen, T L  aVisual approach to technique  aOxfordbUniv Pressc1960  a403p