Template:Yen, 1977

• Yen, A.L. 1977: Redescription of the species of Psylla Geoffroy (Hemiptera: Psyllidae) originally described by Froggatt. Journal of the Australian Entomological Society 16(1): 7-20. DOI: 10.1111/j.1440-6055.1977.tb00052.x  
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