TY  - BOOK
AU  - Duff,Duan
ED  - United States.
TI  - Faceplate: MK 12 tested to 300 feet Hawaii 
U1  -  359.984 
PY  - 1978///-
CY  - Washington, D.C.
PB  - U.S. Government Printing Office
KW  - Deep diving
KW  - Naval art and science
N1  - Library hsa vol. 9, no.4 ; the official magazine for the divers of United States Navy
ER  -