000 00313nam a2200121Ia 4500
008 220201s1970 xx 000 0 eng d
082 _a25.8
_bMAT
100 _aMathur (L.M)
245 0 _aPrinciples & Technique of Educational , Display Exhibits
260 _bLalit Mohan Mathur
_c1970
300 _a224
942 _2ddc
999 _c496
_d496