TY - BOOK AU - Mayr,Ernst TI - Systematics and the origin of species from the viewpoint of a zoologist AV - QL351 .M3 U1 - 576.86 23 PY - 1949/// CY - New York PB - Columbia University Press KW - Biology KW - Classification KW - Species KW - Biología - Clasificación KW - Especies N1 - "Literatura": p. [299]-314 ER -