000 00293nam a2200121Ia 4500
008 240421s9999 xx 000 0 und d
100 _aParashar, Radhika
245 0 _aVigyan Shikshan-Parayaran Aadhyayn
250 _a18th
260 _aAgra
_bRadha Prakashan
300 _a288p.
942 _cBK
999 _c12478
_d12478