G. R. Pilkington
R. D. Hoare
,
B. W. Danielewicz
,
G. R. Pilkington
,
J. C. O'Rourke
;
An Upward-Looking Sonar System to Profile Ice Keels for One Year
, Proceedings of MTS/IEEE OCEANS'80 Conference, pp. 123 - 126,
September 1980.