00499nam a22001097a 4500008004100000040005500041080002600096245018300122260005900305300000900364650001600373230426b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a528.71.004(082.2)bM0  aFirst user-interaction seminarc/ Proceedings of the first user-interaction seminar 19-20 December, 1980 held at National Remote Sensing Agency Balanagar, Hyderabad-500 037 India  aSecunderabad: bNational Remote Sensing Agency, c1980  a66p.  aProceedings