1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P
1994A&A...283..525P