Willis, P. B. : Investigation of test methods, material properties, and processes for solar cell encapsulants [microform] : annual report : encapsulation task of the low-cost silicon solar array project / P.B. Willis, B. Baum, R. White, R. Kuce,ko.
Willis, P. G. : People's Astral Union, applicant and Federation of Celestial States, Respondent / H. C. Charlesworth, T. J. Reid, P. G. Willis.
Willis, R., b. 1563 or 4. : Mount Tabor. Or Private exercises of a penitent sinner [electronic resource] : Serving for a daily practice of the life of faith, reduced to speciall heads comprehending the chiefe comforts and refreshings of true Christians: also certain occasionall observations and meditations profitably applyed. Written in the time of a voluntary retrait from secular affaires. By R.W. Esquire. Published in the yeare of his age 75. Anno Dom. 1639. The contents of the booke are prefixed.
Willis, R. Ellen. : The conservation of archival and library materials : a resource guide to audiovisual aids / by Alice W. Harrison, Edward A. Collister, R. Ellen Willis.
Willis, R. F. : Dynamical phenomena at surfaces, interfaces, and superlattices : proceedings of an international summer school at the Ettore Majorana Centre, Erice, Italy, July 1-13, 1984 / editors, F. Nizzoli, K.H. Rieder, and R.F. Willis.