000 00313nam a2200133Ia 4500
008 220709s9999 xx 000 0 und d
082 _a621.47
_bGUP
100 _aGUPTA B.P.
245 0 _aSOLAR THERMAL TECHNOLOGY RESEARCH DEVELOPMENT AND APPLICATIONS
250 _a1
300 _a0
942 _cREF
999 _c80656
_d80656