De Chrapowicki, Maryla. <br/><br/>
Spectro-biology / 
Maryla de Chrapowicki. 
 - London :  Daniel,  1938. 
 - 62 p. :  ill. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sun-baths.<br/>Heliotherapy
<br/><br/><label>Dewey Class. No.: </label>615.8314  / DES 1938