TY - BOOK ID - 135370395 TI - The morphology of the syrinx in passerine birds PY - 1971 PB - New Haven Peabody Museum of Natural History, Yale University DB - UniCat KW - Syrinx (Bird anatomy) KW - Passeriformes UR - https://www.unicat.be/uniCat?func=search&query=sysid:135370395 AB - In German, Russian, and Spanish. ER -