Shahani, P.B..
Text Book of Surveying / - Second Ed. / - New Delhi-110001 : Oxford & IBH Publishing Co.. - p542 :
Metric System
D:2 / M2.1
Text Book of Surveying / - Second Ed. / - New Delhi-110001 : Oxford & IBH Publishing Co.. - p542 :
Metric System
D:2 / M2.1