Huge product rangeOver 140,000 books & equipment products
Rapid shippingUK & Worldwide
Pay in £, € or U.S.$By card, cheque, transfer, draft
Exceptional customer serviceGet specialist help and advice
Contains papers presented at the IAG Symposium held in Cartagena, Colombia, February 2001.
Introduction.- Vertical Control Systems.- Height Determination Techniques.- Height Reference Surfaces.- Sea Level and Height Systems.- Unification of Vertical Reference Systems.- Cartagena Statement on Vertical Reference Systems.