000 00399nam a2200157Ia 4500
008 170101s1948 xx 000 0 und d
041 _aEnglish
082 _aGN574.92W445L
100 _aPAUL S WELCH
245 0 _aLIMNOLOGICAL METHODS
250 _a1948
260 _aLONDON
_bMcGRAW-HILL BOOK COMPANY, INC
_c1948
300 _a381
_ePrint
653 _aLIMNOLOGICAL METHODS
942 _2ddc
_cBK
999 _c435542
_d435542