TY - `BOOK` AU - Schaller, George B. TI - The Mountain gorilla : ecology and behavior ET - 2. impr. PB - The Univ. of Chicago Pr. CY - Chicago [u.a.] PY - 1965 LA - eng SE - XVII, 431 S. CN - 66 B 324 CN - 2008 A 13608 AN - UBHD-1037319 ER -