Endodontics – Science and Practice: A Textbook for Student and Practitioner

by Johns, R B
Published 1982

Experimental studies on dental implants.

by Johns, R. B.
Published 1976

Biological markers in the sedimentary record /

by Johns, R. B.
Published 1986.

Biological markers in the sedimentary record ./R.B. Johns.

by Johns, R.B.
Published 1986.

Initiating a Patient Data Base: A Pragmatic Application of MUMPS

by Johns, R. B., Harris, T. E.
Published 1982

Phytol Degradation by Marine Bacteria

by Gillan, Francis T., Nichols, Peter D., Johns, R. B., Bavor, H. John
Published 1983

trans-Monounsaturated Acids in a Marine Bacterial Isolate

by Gillan, F. T., Johns, R. B., Verheyen, T. V., Volkman, J. K., Bavor, H. J.
Published 1981