000 00295nam a2200109 4500
245 _aSachitra gyan-vigyan kosh
_cedited by M. Jouhari
710 _aJouhari,M.
260 _aNew Delhi
_bVigyan Bharati
_c1989
300 _a128p.; ill. : 22cm.
082 _aH
_b503 SAC
650 _aScience--Dictionaries
999 _c68594
_d68594