000 00503nam a2200193Ia 4500
008 220516s9999 xx 000 0 und d
020 _a070691754
041 _aeng
082 _a551.48
_bWEL/L
100 _a Welch , Paul S.
245 0 _aLimnological Methods
_c / by Paul S. Welch
260 _aNew York:
_bMc Grawhill,
_c1948.
300 _axviii, 381p.
650 _aBiological Method
650 _aChemical Method
650 _aEarth Science
650 _aHydrographic Mapping
942 _cBK
999 _c7303
_d7303