TY - BOOK
AU - Clark, William S.
AU - Wheeler, Brian K.
AU - National Audubon Society
AU - National Wildlife Federation
TI - A field guide to hawks, North America
PB - Houghton Mifflin
PY - 1987
T2 - The Peterson field guide series
VL - 35
EP - xi, 198 p.
UR - https://ci.nii.ac.jp/ncid/BA46826228
SN - 0395360013
SN - 0395936152
ER -