00615     2200229   4500001002100000005001500021035002000036008004100056245003100097100001900128260007300147300003300220082001200253084001800265250001000283650001400293650001100307650001200318504002200330504002200352990001100374INLIS00000000005638420221008125818  a0010-1022000210221008                g          d eng  1 aLimnology /cPaul S. Welch1 aWELCH, Paul S.  a[New York, Toronto, London] :bMcGraw-Hill Book Company, Inc.,c1952  aix, 538 p. :bill. ;c24 cm.  a551.312  a551.312 WEL l  aEd. 2 4aLIMNOLOGY 4aBOTANY 4aZOOLOGY  abibl.: p. 443-510  aindex: p. 511-538  a280/73