P.S. Welch

titleISBN-13
(ISBN-10)
year of publication
Limnological Methods978-0-07-069175-9
(0-07-069175-4)
1948
Limnology978-0-07-069179-7
(0-07-069179-7)
1952

P S · P W. · P. Welch · Paul S Welch · Paul Smith, Welch · S W

P. S Wellington