TY  - BOOK
AU  - Krylov, N.
TI  - Natural gas : : Problems of reserves recognitions and deliverability
PY  - 1991///
CY  - Chichester, England : 
PB  - Wiley, 
KW  - PETROLEO
KW  - GAS NATURAL
N1  - 15th World Petroleum Congress. Buenos Aires, 1991
ER  -