000 00307nam a2200121Ia 4500
008 190710s9999 xx 000 0 und d
020 _a81-7450-013-8
082 _a620 N 213
100 _aNCERT
245 0 _aScience and Technology ; Textbook for Class VI
260 _aNew Delhi
_bNCERT
_c2002
942 _cBK
999 _c24904
_d24904