Dryden, I G C .
Efficient use of energy / Textual Documents I G C Dryden. - 2 / . - London : Butterworth Scientific , 1982. - 602 ; .
Rs 906.20
621.402 / DRY/EF
Efficient use of energy / Textual Documents I G C Dryden. - 2 / . - London : Butterworth Scientific , 1982. - 602 ; .
Rs 906.20
621.402 / DRY/EF