Guttorm Opshaug

发表

Sam Pullen, Ming Luo, Dennis M. Akos, 2001 .
Per Enge, Guttorm Opshaug, 2001 .
Per Enge, Bradford W. Parkinson, Boris Pervan, 1998, GPS Solutions.
Per Enge, Bradford W. Parkinson, J. David Powell, 1996 .
Per Enge, Guttorm Opshaug, 2000 .
Per Enge, Bradford W. Parkinson, David G. Lawrence, 1997 .