Environmental variables in animals experimentation 
edited by Hulda Magalhaes 
 - Lewisburg  Bucknell University Press  1974 
 - 146kp.; 23cm. 
<br/><br/> Selection from a symposium sponsored by the Delaware valley and metropolitan branches of the American Association for laboratory animal science 
<br/><br/><label>Dewey Class. No.: </label>591.0724  / MAG