000 00422nam a2200145Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
040 _aNITIL
_cNITIL
082 _221st
_a507
_bR171N
100 _aRamesh Chandra Prem
245 0 _aNanhe munhe vaigyanik banen
_c Ramesh Chandra Prem
260 _aNew Delhi
_bM N
_c1986
300 _a38p.
650 _aScience-Experiments; Science-Study and teaching (Primary)
942 _cBKS
999 _c8986
_d8986