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YANG, Sharon Q.; HOFMANN, Melissa A. Next generation or current generation? A study of the OPACs of 260 academic libraries in the USA and Canada. Library Hi Tech. 2011-01-01, roč. 29, čís. 2, s. 266–300. Dostupné online [cit. 2024-04-29]. ISSN0737-8831. doi:10.1108/07378831111138170.
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YANG, Sharon Q.; HOFMANN, Melissa A. Next generation or current generation? A study of the OPACs of 260 academic libraries in the USA and Canada. Library Hi Tech. 2011-01-01, roč. 29, čís. 2, s. 266–300. Dostupné online [cit. 2024-04-29]. ISSN0737-8831. doi:10.1108/07378831111138170.
YANG, Sharon Q.; HOFMANN, Melissa A. Next generation or current generation? A study of the OPACs of 260 academic libraries in the USA and Canada. Library Hi Tech. 2011-01-01, roč. 29, čís. 2, s. 266–300. Dostupné online [cit. 2024-04-29]. ISSN0737-8831. doi:10.1108/07378831111138170.