R. L. Bean

Sudden gas pressure relay for transformers

R. L. Bean, H. L. Cole, 1953, Electrical Engineering.

Mechanical Forces in Interleaved Rectangular Pancake Transformer Coils [includes discussion]

E. C. Wentz, R. L. Bean, 1954, Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems.

A Sudden Gas Pressure Relay for Transformer Protection [includes discussion]

R. L. Bean, H. L. Cole, 1953, Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems.