000 00507nam a2200169Ia 4500
008 211115s9999 xx 000 0 und d
020 _a0-7069-5237-5
041 _aeng
082 _aAoaF
_bM0
100 _a , .
245 0 _aPerspectives in science & technology technical reports by the science advisory council to the prime minister:Vol.1 /
250 _a1st.Edn. /
260 _aNew Delhi :
_bVikash Publishing House Pvt Ltd ,
_c1979
300 _a388p :
650 _aPhotonics
942 _cTB
999 _c34869
_d34869