Warring, R H .
Pumping manual / Textual Documents R H Warring. - 7 / . - London : Gulf Publishing Company , 1984. - 485 ; .
0-87201-751-6
028.72621 / WAR/PU
Pumping manual / Textual Documents R H Warring. - 7 / . - London : Gulf Publishing Company , 1984. - 485 ; .
0-87201-751-6
028.72621 / WAR/PU