Hyman, Libbie Henrietta . <br/><br/>
The invertebrates : smaller coelomate groups chaetognatha, hemichordata, pogonophora phoronida, ectoprocta, brachiopoda sipunculida the coelomate bilateria /  
NULL. 
 - vol.V /   . 
 - Delhi :   International Books ,   1992. 
 - 783p. :   table,fig. ;   21cm .  
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<br/><br/><label>ISBN: </label> Rs. 2170.00 (HB)