E-Referencer: A Prototype Expert System Web Interface to Online Catalogs. - Christopher S. G. Khoo; Danny C. C. Poo; Teck-Kang Toh; Soon-Kah Liew; Anne N. M. Goh (ECDL, 1998)

Development of an Intelligent Web Interface to Online Library Catalog Databases. - Danny C. C. Poo; Teck-Kang Toh; Christopher S. G. Khoo; Glenn Hong (APSEC, 1999)

Search Interface for Z39.50 Compliant CS Stores over the Internet. - Danny C. C. Poo; Teck-Kang Toh; Christopher S. G. Khoo (HICSS, 1999)

Design and Implementation of the E-Referencer. - Danny C. C. Poo; Teck-Kang Toh; Christopher S. G. Khoo (Data Knowl. Eng., 2000)

Enhancing online catalog searches with an electronic referencer. - Danny Chiang Choon Poo; Teck-Kang Toh; Christopher S. G. Khoo (J. Syst. Softw., 2000)