J. Liard

Absolute gravity observations on BIPM site A3 during the 1989 and 1994 International Comparisons of Absolute Gravimeters

C. Gagnon, J. Liard, J. Liard, 1995 .

The Role and Capability of Absolute Gravity Measurements in Determining the Temporal Variations in the Earth’s Gravity Field

A. Lambert, T. James, J. Liard, 1996 .

Canada's contribution to the 1989 international comparison of absolute gravimeters at the BIPM : instrumental improvements and analytical approach

J. Liard, N. Courtier, 1991 .