This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely...
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely...
A detailed study of sulphur bacteria, their properties and functions, and their importance in ecological systems and biochemical processes. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we...