Review of information regarding the conservation of living resources of the Antartic marine ecosystem / 
 Final report to U.S. Marine Mammal Commission in fulfillment of Contract MM8AD055 
John L. Bengtson. 
 - Washington, D.C. :   U.S. Marine Mammal Commission,   1978. 
 - xi, 148 p. 
 - Report,   MMC-78-04 Report (United States. Marine Mammal Commission),   MMC-78-04. .