앞서 살펴본 관찰 결과에 따르면, 이러한 면역은 앞으로 특별한 주의를 기울여야 합니다. 참고자료.Cremer, L., Heckl, M. Korperschall. Springer Verlag, 베를린, 하이델베르크, 뉴욕.DIN March Messung und Bewertung tieffrequenter Gerauschimmissionen in der Nachbarschaft.

According to the observations as demonstrated, these immissions ought to be given special attention in the future. References.Cremer, L., Heckl, M. Korperschall. Springer Verlag, Berlin, Heidelberg, New York.DIN March Messung und Bewertung tieffrequenter Gerauschimmissionen in der Nachbarschaft.