Published in Journal of Raptor Research, in 1988, in volume 22, issue 1, pages 3-7

Published in Journal of Raptor Research, in 1988, in volume 22, issue 1, pages 8-16

Published in Journal of Raptor Research, in 1988, in volume 22, issue 1, pages 17-21

Published in Journal of Raptor Research, in 1988, in volume 22, issue 1, pages 22-26

Published in Journal of Raptor Research, in 1988, in volume 22, issue 1, pages 27-28

Published in Journal of Raptor Research, in 1988, in volume 22, issue 1, pages 29

Published in Journal of Raptor Research, in 1988, in volume 22, issue 1, pages 30-32

Published in Journal of Raptor Research, in 1988, in volume 22, issue 1, pages 32-33

Published in Journal of Raptor Research, in 1988, in volume 22, issue 1, pages 34

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 37-43

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 44-52

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 53-58

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 59-61

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 62

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 63-64

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 65

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 66-67

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 67-70

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 70-71

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 71

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 72

Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 73

Published in Journal of Raptor Research, in 1988, in volume 22, issue 3, pages 77-80

Published in Journal of Raptor Research, in 1988, in volume 22, issue 3, pages 81-84

Published in Journal of Raptor Research, in 1988, in volume 22, issue 3, pages 85-88

Published in Journal of Raptor Research, in 1988, in volume 22, issue 3, pages 88

Published in Journal of Raptor Research, in 1988, in volume 22, issue 3, pages 89

Published in Journal of Raptor Research, in 1988, in volume 22, issue 3, pages 90

Published in Journal of Raptor Research, in 1988, in volume 22, issue 3, pages 91

Published in Journal of Raptor Research, in 1988, in volume 22, issue 3, pages 92-93

Published in Journal of Raptor Research, in 1988, in volume 22, issue 3, pages 93

Published in Journal of Raptor Research, in 1988, in volume 22, issue 4, pages 97-100

Published in Journal of Raptor Research, in 1988, in volume 22, issue 4, pages 101-106

Published in Journal of Raptor Research, in 1988, in volume 22, issue 4, pages 107-115

Published in Journal of Raptor Research, in 1988, in volume 22, issue 4, pages 116-117

Published in Journal of Raptor Research, in 1988, in volume 22, issue 4, pages 117-118

Published in Journal of Raptor Research, in 1988, in volume 22, issue 4, pages 119-120

Published in Journal of Raptor Research, in 1988, in volume 22, issue 4, pages 121