db/conf/sigir/ChouekaCDFS71.html Yaacov Choueka M. Cohen J. Dueck Aviezri S. Fraenkel M. Slae Full Text Document Retrieval: Hebrew Legal Texts. 61-79 SIGIR1971/P061.pdf 1971 conf/sigir/71 SIGIR db/conf/sigir/sigir71.html#ChouekaCDFS71