Kathern D. Welsh

titleISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Safe Work Practices for Wastewater Treatment Plants978-O-8153-6852-6
(O-8153-6852-6)
2017Frank R. Spellman

D.W. · D. Welsh · K. D. · K. W.

Katheryn Davis