HECKER, SIEGFRIED S.

Letters

Semiconductor technology research and development, 25147 [24SE]

Testimonies

Committee on Appropriations (Senate): Navy Submarine Reactor Program, D266 [22AP]

Committee on Armed Services (Senate): Nuclear Testing Limitations, D91 [26FE]

Committee on Energy and Natural Resources: Improve Technology Development by Integration of Universities and Private Industry in the National Laboratory System of the Dept. of Energy (S. 1480), D612 [15SE]

Committee on Foreign Relations: Treaties With the Soviet Union on Nuclear Weapons, D17 [16JA], 1678, 1681 [21JA]