TY - JOUR A1 - Barlow, Jay A1 - Boveng, Peter T1 - MODELING AGE-SPECIFIC MORTALITY FOR MARINE MAMMAL POPULATIONS Y1 - 1991 DO - 10.1111/j.1748-7692.1991.tb00550.x JF - Marine Mammal Science VL - 7 IS - 1 SP - 50 EP - -65 ER -