EIFAC experiments on pelagic fish stock assessment by acoustic methods in Lake Constance / 
by E. Dahm ... [et al.]. 
 - Rome :  Food and Agriculture Organization of the United Nations,  1985. 
 - EIFAC occasional paper ;  no. 15 .
<br/><br/> "EIFAC/OP 15." 
<br/><br/>Includes bibliographical references (p. 14). 
<br/><br/><label>ISBN: </label>9251022682 
<br/><br/><label>LCCN: </label>86175400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fish populations -- Constance, Lake of -- Measurement.--Fish populations -- Constance, Lake of -- Measurement.--Fish populations -- Constance, Lake of -- Measurement.<br/>Echo sounding in fishing -- Constance, Lake of.--Echo sounding in fishing -- Constance, Lake of.
<br/><br/><label>LC Class. No.: </label>SH344.23.E3  / E44 1985 
<br/><br/><label>Dewey Class. No.: </label>639.312