About ISHIZUKA TAKASHI
About 清水建設 技研
About 日本音響学会誌
About balcony
About acoustical technology
About multiple dwelling house
About sound absorbing material
About reflector
About ceiling
About noise control
About road traffic noise
About railroad noise
About angle of incidence
About high-rise multiple dwelling house
About reflector
About Other sections of buildings
About 高層
About マンション
About バルコニー
About 屋外
About 騒音対策