000 00487 a2200241 4500
001 278686
020 _a
041 _aeng
080 _aLADA 093416 : 1980
245 _aPhase cycle cryocooler for low temperature electronic circuits : phase 1 : concept study
250 _a
260 _aVirginia
260 _bHelix
260 _c1980
300 _a65 p.
300 _c
856 _u
490 _aADA 093416 : 1980
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c237024
_d237024