Actinomycetes :  proceedings of the fourth International ... Cologne, September 3-7, 1979 / 
edited by Klaus P. Schaal and Gerhard Pulverer 
 - Stuttgart :  Gustav Fisher Verlag,  1981 
 - 600 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Actinomycetales--Congresses