152 Bla P Blake, Robert R Perception an approach to personality; by Robert R. Blake and Glenn V. Ramsey, in collaboration with Frank A. Beach [and others] New York, Ronald Press [1951] 442 p. ilus. 24 cm. Incluye bibliografía <a id= "rdfa" about="http://bnjm.sld.cu/cgi-bin/item.py?idficha=bcuhcgrlyfof0120064" property = "oa:link" href="http://www.worldcat.org/oclc/848273300 ">WorldCat</a>