000 00353pam a2200157a 44500
008 230515b1983 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGL
082 _a00521.4/ SOR.
100 _aSORENSEN H.A.
245 _aENERGY CONVERSION SYSTEMS
250 _aN.D.
260 _aNULL
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300 _a563 PB
650 _aNULL
999 _c618216
_d618216