Published in Raptor Research, in 1978, in volume 12, issue 1-2, pages 1-14

Created: 2017-04-08, modified: 2017-04-08

Published in Raptor Research, in 1978, in volume 12, issue 1-2, pages 15-20

Created: 2017-04-08, modified: 2017-04-08

Published in Raptor Research, in 1978, in volume 12, issue 1-2, pages 28-34

Created: 2017-04-08, modified: 2017-04-08

Published in Raptor Research, in 1978, in volume 12, issue 1-2, pages 35-39

Created: 2017-04-08, modified: 2017-04-08

Published in Raptor Research, in 1978, in volume 12, issue 1-2, pages 40-45

Created: 2017-04-08, modified: 2017-04-08

Published in Raptor Research, in 1978, in volume 12, issue 3/4, pages 122-125

Created: 2017-04-08, modified: 2017-04-08