00831nam a2200265   450000100060000000300080000600500170001400800410003103500190007204000390009104100130013008200250014310000320016824500920020025000120029226000510030430000330035550000610038850400290044965000150047865000180049365000240051170000140053570000160054972975BD-RjUL20211209082332.0170525r19651953ca a     b    001 0 eng d  a(BD-RjUL)73193  aMnU-BbengcCaOTULASdMnUdBD-RjUL1 aenghund  223a551.48bRUF 19651 aRuttner, Franz,d1882-1961.10aFundamentals of limnology /cby Franz Ruttner ; translated by D.G. Frey and F.E.J. Fry.  a3th ed.  aToronto :bUniversity of Toronto Press,c1953.  axi, 295 p. :bill. ;c24 cm.  aTranslation of: Grundriss der Limnologie, 2nd ed., 1952.  aBibliography and Indexes 0aLimnology. 0aWater balance 0aFreshwater biology.  aD.G. Frey  a F.E.J. Fry