1. BASF Wyandotte Corporation, Wyandotte, Michigan 48192.
2. U.S. 2,674,619, (to Wyandotte Chemicals Corp.) (1954).
3. Technical Bulletin, ?The Wonderful World of Pluronic Polyols,? BASF Wyandotte Corporation (1971).
4. Technical Bulletin, ?Pluronic Polyols Toxicity and Irritation Data,? 3rd ed., Rev., BASF Wyandotte Corporation (1971).