Lessons in rotary drilling. unit V lesson 7. helicopter safety and survival procedures.
Lessons in rotary drilling. unit V lesson 7. helicopter safety and survival procedures.
Texas: Petroleum Extension Service, (PETEX). 1978.
English
Text
vii, 39 hlm., ilus., 28 cm.
Perpustakaan PEM Akamigas DIGITAL LIBRARY PEM AKAMIGAS (Call Number: 622.24 Pet l-V-7.)