Identification of selected child resident closures : continuous tread, lug-bayonet and snap closures /
by Rosalind L. Gross ; edited by Charles J. Wilbur ; illustred by James A. Wooten
- Washington, D. C. : United States Government Printing Office, 1980
- 52 p. ; 26 cm.
Hazardous material--Toxic chemicals--United States