Assertion: technetium's discovery | /r/CreatedBy | b.t. kenna
Facets:
Source sentences:
text: This discovery was made by B.T. Kenna and P.K. Kuroda.
text: This discovery was made by B.T. Kenna and P.K. Kuroda.
text: This discovery was made by B.T. Kenna and P.K. Kuroda.