TY  - SER
AU  - Burtt, E. H.
TI  - Head-scratching method of Galapagos finches unaffected by variation in cranial morphology
U1  - 598.883598.883 
PY  - 1983///
KW  - BH, FI, EV
KW  - Head-scratching method of Galapagos finches unaffected by variation in cranial morphology
N2  -   BIB Now: 1539
ER  -