TY  - SER
AU  - Whitehead, H., Waters, S., Lyrholm, T.
TI  - Social organization of female sperm whales and their offspring: Constant companions and casual acquaintances
U1  - 599.547599.547 
PY  - 1991///
KW  - WH, BH, MB
KW  - Social organization of female sperm whales and their offspring: Constant companions and casual acquaintances
KW  - Sperm whales, Physeter macrocephalus, population, behavior, female, gender, off-spring, Galápagos
KW  - Cachalote, Physeter macrocephalus, población, comportamiento, hembra, género, crianza, Galápagos
N2  - BIB Now: 7310
ER  -