Subsea Engineering Handbook by Why use Encyclopedias?
Encyclopedias provide an overview and introduction to a topic. Encyclopedias are meant to get you started on a topic and can help you become familar with issues and terminology in a subject area. They will provide you with background information and additional references. They are not research documents.
Encyclopedia of Coastal Science by 
Encyclopedia of Vibration by 
A Dictionary of Construction, Surveying, and Civil Engineering by 
Dictionary of Water and Waste Management by