共 6 条
[1]
A RADIO ECHO EQUIPMENT FOR DEPTH SOUNDING IN POLAR ICE SHEETS
[J].
JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS,
1969, 2 (02)
:131-&
[2]
Evans S, 1963, POLAR REC, V11, P406, DOI DOI 10.1017/S0032247400053523
[3]
FORBES LM, 1968, POLAR RECORD, V14, P211
[5]
VANAUTENBOER T, IN PRESS
[6]
[No title captured]