Koskelainen, L. (1978). A model for optimal design of district heating networks. Lappeenrannan teknillinen korkeakoulu.
Chicago Style (17. basım) AtıfKoskelainen, Lasse. A Model for Optimal Design of District Heating Networks. Lappeenranta: Lappeenrannan teknillinen korkeakoulu, 1978.
MLA (8th ed.) AtıfKoskelainen, Lasse. A Model for Optimal Design of District Heating Networks. Lappeenrannan teknillinen korkeakoulu, 1978.
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