00689nam 2200169z- 450 9910690655503321(CKB)5470000002339758(EXLCZ)99547000000233975820230503cuuuuuuuu -u- -engNASA/DoD aerospace knowledge diffusion research project : results of the phase 1 mail survey--avionics and electrical components and subsystems perspective. Report number 39, The technical communication practices of U.S. aerospace engineers and scientistWashington, D.CNASA/DoD aerospace knowledge diffusion research project BOOK9910690655503321NASA2959247UNINA