00339nam a2200121Ia 4500008004000000020001800040082001600058100001900074245005500093260003800148300001200186650001900198210210b1993   xxu||||| |||| 00| 0 eng d  a81 237 0643 X  a069.53 AGRP  aAGRAWAL (O P).  aPreservation of art objects and library materials.  aIndia.bNational Book Trustc1993  axiv,102  aPreservation