Kotpal, R.L.. Modern text book of zoology vertebrates / R.L. Kotpal. - 2nd ed / . - Meerut : Rastogi Publications , 1997. - xvi,630p. : ill.,figs. ; 24cm . Includes glossary and index ISBN: 8171333034 NULL Subjects--Index Terms: VERTEBRATES Dewey Class. No.: 596 / KOT/M