TY - BOOK TI - Topics in technical physics : publication in honour of professor Erkki Laurila on the occasion of his seventieth birthday on August 20th, 1983 T3 - Acta polytechnica Scandinavica AU - Kelhä, Väinö AU - Luukkala, Mauri AU - Tuomi, Turkka CY - Hki PB - [Teknillisten tieteiden akatemia] PY - 1983 LA - eng KW - Laurila, Erkki, : 1913-1998 SN - 951-666-159-9 pehmeäkantinen ER -