00278nam a2200121Ia 450000500170000000800410001704100080005808200130006610000190007924500300009826000190012830000090014720260720174718.0260720s1966    xx            000 0 und d  aeng  a500 LEMG  aLemkin william  aGraphic survey of science  aNew Yorkc1966  a435p