Published in Raptor Research, in 1984, in volume 18, issue 1, pages 1-5

Published in Raptor Research, in 1984, in volume 18, issue 1, pages 6-9

Published in Raptor Research, in 1984, in volume 18, issue 1, pages 16-19

Published in Raptor Research, in 1984, in volume 18, issue 1, pages 20-25

Published in Raptor Research, in 1984, in volume 18, issue 1, pages 25-29

Published in Raptor Research, in 1984, in volume 18, issue 1, pages 30-31

Published in Raptor Research, in 1984, in volume 18, issue 1, pages 31-33

Published in Raptor Research, in 1984, in volume 18, issue 1, pages 34-35

Published in Raptor Research, in 1984, in volume 18, issue 1, pages 36-37

Published in Raptor Research, in 1984, in volume 18, issue 2, pages 41-48

Published in Raptor Research, in 1984, in volume 18, issue 2, pages 49-58

Published in Raptor Research, in 1984, in volume 18, issue 2, pages 59-61

Published in Raptor Research, in 1984, in volume 18, issue 2, pages 62-66

Published in Raptor Research, in 1984, in volume 18, issue 2, pages 67-71

Published in Raptor Research, in 1984, in volume 18, issue 2, pages 72-74

Published in Raptor Research, in 1984, in volume 18, issue 2, pages 74-77

Published in Raptor Research, in 1984, in volume 18, issue 2, pages 77-78

Published in Raptor Research, in 1984, in volume 18, issue 2, pages 78-79

Published in Raptor Research, in 1984, in volume 18, issue 3, pages 81-91

Published in Raptor Research, in 1984, in volume 18, issue 3, pages 92-97

Published in Raptor Research, in 1984, in volume 18, issue 3, pages 98-102

Published in Raptor Research, in 1984, in volume 18, issue 3, pages 103-106

Published in Raptor Research, in 1984, in volume 18, issue 3, pages 107-110

Published in Raptor Research, in 1984, in volume 18, issue 3, pages 111-113

Published in Raptor Research, in 1984, in volume 18, issue 3, pages 113-115

Published in Raptor Research, in 1984, in volume 18, issue 3, pages 115

Published in Raptor Research, in 1984, in volume 18, issue 4, pages 117-122

Published in Raptor Research, in 1984, in volume 18, issue 4, pages 123-130

Published in Raptor Research, in 1984, in volume 18, issue 4, pages 131-136

Published in Raptor Research, in 1984, in volume 18, issue 4, pages 137-142

Published in Raptor Research, in 1984, in volume 18, issue 4, pages 143-147

Published in Raptor Research, in 1984, in volume 18, issue 4, pages 148-150

Published in Raptor Research, in 1984, in volume 18, issue 4, pages 151-153

Published in Raptor Research, in 1984, in volume 18, issue 4, pages 153-155

Published in Raptor Research, in 1984, in volume 18, issue 4, pages 155-156

Published in Raptor Research, in 1984, in volume 18, issue 4, pages 156-157