Published in Raptor Research, in 1979, in volume 11, issue 4, pages 81-82
Published in Raptor Research, in 1979, in volume 11, issue 4, pages 82-85
Published in Raptor Research, in 1979, in volume 11, issue 4, pages 86
Published in Raptor Research, in 1979, in volume 11, issue 4, pages 97-99
Published in Raptor Research, in 1979, in volume 11, issue 4, pages 100-103
Published in Raptor Research, in 1979, in volume 11, issue 4, pages 104-111
Published in Raptor Research, in 1979, in volume 13, issue 1, pages 1-14
Published in Raptor Research, in 1979, in volume 13, issue 1, pages 15
Published in Raptor Research, in 1979, in volume 13, issue 1, pages 16
Published in Raptor Research, in 1979, in volume 13, issue 1, pages 17-19
Published in Raptor Research, in 1979, in volume 13, issue 1, pages 19
Published in Raptor Research, in 1979, in volume 13, issue 1, pages 20-24
Published in Raptor Research, in 1979, in volume 13, issue 2, pages 33-36
Published in Raptor Research, in 1979, in volume 13, issue 2, pages 36-38
Published in Raptor Research, in 1979, in volume 13, issue 2, pages 39-40
Published in Raptor Research, in 1979, in volume 13, issue 2, pages 40-46
Published in Raptor Research, in 1979, in volume 13, issue 2, pages 47-48
Published in Raptor Research, in 1979, in volume 13, issue 2, pages 51-56
Published in Raptor Research, in 1979, in volume 13, issue 2, pages 57-64
Published in Raptor Research, in 1979, in volume 13, issue 3, pages 65-78
Published in Raptor Research, in 1979, in volume 13, issue 3, pages 79-88
Published in Raptor Research, in 1979, in volume 13, issue 3, pages 88-90
Published in Raptor Research, in 1979, in volume 13, issue 3, pages 91-96
Published in Raptor Research, in 1979, in volume 13, issue 4, pages 97-101
Published in Raptor Research, in 1979, in volume 13, issue 4, pages 102-111
Published in Raptor Research, in 1979, in volume 13, issue 4, pages 112-115
Published in Raptor Research, in 1979, in volume 13, issue 4, pages 116-119
Published in Raptor Research, in 1979, in volume 13, issue 4, pages 120
Published in Raptor Research, in 1979, in volume 13, issue 4, pages 123