00000cam a22000004a 4500 UP-99796217610203275 Buklod 20120213103049.0 m |q d | ta 830906s1971 enka rb f000 0|eng d (iLib)UPD-00183806333 na CU-IT NCTS LIBRARY Holroyd, Joyce. The Glasgow experiment PLIDENT and after by Joyce Holroyd and J.A. Hillier. Crowthorne, Berkshire Road Research Laboratory 1971. 9 p. ill. 30 cm. Includes bibliographical references. Electronic traffic controls. Traffic signs and signals Scotland Glasgow. PLIDENT (Computer program) Hillier, J. A. Road Research Laboratory. UPD NCTS Book