Helsinki Music Tools. - Jukka-Pekka Kervinen; Kai Lassfolk (ICMC, 1993)

University of Helsinki Electronic Music Studio. - Kai Lassfolk; Kalev Tiits (ICMC, 1994)

Sound Processing Kit. - Kai Lassfolk (ICMC, 1995)

Simulation of Electron Tube Audio Circuits. - Kai Lassfolk (ICMC, 1996)

Feedback in Musical Computer Applications. - Pauli Laine; Kai Lassfolk (ICMC, 1999)

Sound Processing Kit: An Object-Oriented Signal Processing Framework. - Kai Lassfolk (ICMC, 1999)

University of Helsinki Music Research Laboratory and Electronic Music Studio - A Studio Report. - Kai Lassfolk (ICMC, 2002)

Design Principles and User Interfaces of Erkki Kurenniemi's Electronic Musical Instruments of the 1960's and 1970's. - Mikko Ojanen; Jari Suominen; Titti Kallio; Kai Lassfolk (NIME, 2007)

University of Helsinki Music Research Laboratory and Electronic Music Studio - The first 50 years and beyond. - Kai Lassfolk; Mikko Ojanen (ICMC, 2014)

DIMI-6000: An Early Musical Microcomputer by Erkki Kurenniemi. - Kai Lassfolk; Jari Suominen; Mikko Ojanen (ICMC, 2014)