* Pugh, Emerson W .; Johnson, Lyle R .; Palmer, John H. ( 1991 ).
* Pugh, Emerson W .; Johnson, Lyle R .; Palmer, John H. ( 1991 ).
0.003 seconds.
* Pugh, Emerson W .; Johnson, Lyle R .; Palmer, John H. ( 1991 ).
* Pugh, Emerson W .; Johnson, Lyle R .; Palmer, John H. ( 1991 ).
0.003 seconds.