On the track of unknown animals
Translated and abridged by Richard Garnett; with 78 drawings by Monique Watteau
Publisher: Cambridge, Mass., MIT Press [1972, c1965]
ISBN: 0262580209
DDC: 596
LCC: QL605
Edition: (pbk)
Looking at vertebrates
Looking at vertebrates: a practical guide to vertebrate adaptations Elizabeth Rogers
Publisher: New York : Longman, 1986.
ISBN: 0582450861
DDC: 596
LCC: QL605