000 00507nam a22001810 4500
999 _c7
_d7
005 20200605104627.0
008 010216s2000
050 _aQ163 .In8
245 1 0 _aInvisible world.
260 _aNew Delhi :
_bSterling Press,
264 _aNew Delhi :
_bSterling Press,
300 _av. :
_bcol. ill. ;
_c27 cm.
650 _aDigestive organs.
_917581
650 _aNervous system.
_917582
650 _aRespiratory system.
_917583
650 _aSkeletal system.
_917584
942 _2ddc
_cBK