TY  - BOOK
AU  - Pasquier,Roger F
TI  - Watching birds: an introduction to ornithology
SN  - 0395253438
PY  - 1977///
CY  - Boston
PB  - Houghton Mifflin
KW  - Ornithology
KW  - Bird watching
N1  - Includes index; Bibliography: p.  281 -290
ER  -