Kelland,Malcolm A. Production Chemicals for The oil and Indusry / Malcolm A. Kelland - Bocaraton : CRC Press, 2009. - 437 p. ; 2cm. ISBN: 9781420092905 x საგნობრივი რუბრიკები: Production Chemicals for The oil and Indusry ქიმია UDC: 622.338 K-31