@conference{Klapuri2009-SMC,
author = "Anssi Klapuri",
address = "Porto, Portugal",
booktitle = "6th Sound and Music Computing Conference",
title = "{A} classification approach to multipitch analysis",
url = "https://www.cs.tut.fi/sgn/arg/klap/learnPitch.pdf",
year = "2009",
}