000 00376nam a2200145Ia 4500
008 220718s2011||||xx |||||||||||||| ||und||
020 _a9789380580067
082 _a153
_bRAO
100 1 _aRao, A.R
245 1 _aBrain sharpeners
_cA.R. Rao
250 _a4 rev. & enl.
260 _aAhmedabad
_bVikram A Sarabhai Community Science Centre
_c2011
300 _a253
942 _cBK
999 _c21641
_d21641