00474nam a22001217a 4500008004100000040005500041080002200096245011600118260008400234300000900318650001200327653001300339230321b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a378.962(063)bAss  aSymposia: c/ Association of Principles of Technical Institution (India)bTwelfth annual conference of the APTI  aNew Delhi: bAssociation of Principles of Technical Institution (India), c1953  a29p.  aScience  aSymposia