00507nam a22001937a 4500 BD-DhUL 20141106123741.0 141106s1963 n a|||| |||| 001 0 eng d BD-DhUL BD-DhUL 551.4 WEL Welch, Paul S. Limnology . Paul S. Welch. 2nd ed. New York : McGraw-Hill, c1963. xiii, 538 p. : ill. ; 22 cm. Includes Index. Limnology. ddc BK 18048 18048 0 0 ddc 0 551_400000000000000_WEL 0 NFIC 34258 DUSL DUSL GEN 2014-11-06 551.4 WEL A112970 2014-11-06 1 2014-11-06 BK 0 0 ddc 0 551_400000000000000_WEL 0 NFIC 34260 DUSL DUSL GEN 2014-11-06 551.4 WEL A112972 2014-11-06 3 2014-11-06 BK