TY  - BOOK
AU  - Elonka, Stephen Michael
AU  - Kohan, Anthony Lawrence
TI  - Standard boiler operators' questions and answers
SN  - 9780070992924
U1  - 621.183 
PY  - 1969///
CY  - NEW DELHI
PB  - Tata McGraw Hill
KW  - Steam-boilers
UR  - https://www.academia.edu/27881406/Standard_Boiler_Operators_Questions_and_Answers_Elonka_and_Kohan_pdf
ER  -