00252nam a2200097Ia 4500008004100000082001500041100002000056245002400076260003600100300001800136240817s9999    xx            000 0 und d  a512.9 F6,l  aDalgleish I. S. 4aThe Lighting graphs  c1926a Londonb Crosby lockwood  a12:12 A12-P12