For over 50 years, this has been the leading standard work. With over 300 standards, guideline references, and citations, it serves as a textbook and reference work with recognized high utility value, providing optimal support in a new format. Newly revised: building services spaces, drinking water supply, drainage, sound insulation, and gas supply. "… it is part of the standard literature for architects and engineers dealing with the technical expansion of buildings." BauNetz.