521,809 NORDQUIST ROBERT E. /wspolaut./ Staining procedures used by the Biological Stain Commission. 3 ed.Ed. by George Clark. Methods for animal tissue: George Clark, Robert E. Coalson, Robert E. Nordquist. Methods for botanical sciences: Henry Schneider. Methods for microbiology: James W. Bartholomew. Methods for protozoans: John L. Mohr. Baltimore 1973 Published for the Biological Stain Commission. By The Williams and Wilkins Co. 8° s. XVII, nlb. 1, 418.