"Invertebrados (Biologia)" . . "Animals without backbones : an introd. to the invertebrates"@en . . . . . . . "Animals Without Backbones : an Introduction to the Invertebrates" . . . . . . . . . "Animals without backbones. An introduction to the invertebrates. [With plates and diagrams.]"@en . . "Animals without backbones An introduction to the invertebrates" . "Animals without backbones : an introd.to the invertebrates" . . . . . "Animals without backbones: an introduction to invertebrates" . "Animals without backbones : an introduction to the invertebrates. Vol. 1"@en . . . . . . . . . "Animals without Backbones; an introduction to the invertebrates"@en . . . . . . . "Animals without backbones an introd. to the invertebrates" . . . . . . . . . . . . . . . "animals without backbones : an introduction to the invertebrates" . . . . . . "Animals without backbones : an introduction to invertebrates"@en . . "Animals without backbones : an introduction to invertebrates" . . . . . . "Lehrbuch" . . . . "Animals without backbones; an introd. to the invertebrates"@en . "Electronic books"@en . . . . . . . . . . . . . . . . "Animals without backbones; an introduction to the invertebrates" . "Animals without backbones; an introduction to the invertebrates"@en . . . . "Animals without backbones : an introduction to the invertebratesby" . . . . . . "De ongewervelde dieren" . . . "Animals without backbones : an introduction to the invertebrates. Volume one"@en . . . . . "Animals without backbones an introduction to the invertebrates" . . "Animals without backbones an introduction to the invertebrates"@en . . . . . . . . "Animals without backbones : an introd. to the invertebrates. Rev. ed"@en . "Textbooks" . . . . . . . . "Animals without Backbones. An introduction to the invertebrates"@en . . . . . . . . "Animals without backbones"@en . . . . "Animals without backbones" . . . . . . . . "Animals without backbones. An introduction to the invertebrates" . . . . . . "Animal without backbones : an introduction to the invertebrates"@es . "Animal without backbones : an introduction to the invertebrates" . . . . . . . . . . . . "Animals without backbones, an introduction to the invertebrates" . . . . . . . . . . . . . . . . . . "An introduction to the main groups of invertebrate animals in nontechnical language. Designed as a textbook for a college course in invertebrate zoology." . . . "Animals without backbones : an introduction to the invertebrates"@en . "Animals without backbones : an introduction to the invertebrates" . . . . . . . "Animals without backbones : an introudction to the invertebrates"@en . . . . . . . . "Animals without backbones : An introduction to the invertebrates" . "Presents the major groups of invertebrate animals in simple, nontechnical language." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Invertebrados." . . "Invertebrata." . . "Invertebrates Textbooks." . . "Ongewervelde dieren." . . "Invertebrats." . . "Bezkręgowce." . . "University of Chicago Press." . . "invertébré [manuel]" . . "Zoölogie [dierkunde]" . . . . "Invertebraten." . . "Invertébrés." . . "Invetebrata (Sistematica)" . . "Bezkręgowce podręczniki akademickie." . . "Invertebrati." . . "Wirbellose." . . "Invertebrates." . .