TY  - BOOK
AU  - Crane R R
AU  - Brown F B
TI  - Analysis of a railroad classification yard
U1  - 000SB:385(73) 
PY  - 1955///
KW  - Railroad classification
N1  - Photo print from J Oper Research Society of America 3(3), 1955 ; p.262-271
ER  -