000 00379nas a22001337a 4500
008 221215s9999 xx 000 0 und d
245 _aPROCEEDINGS OF ASCE : JOURNAL OF POWER DIVISION
260 _bAMERICAN SOCIETY OF CIVIL ENGINEERS
_bNEWYORK
907 _aUSA (1956)
910 _a83 ,1957
912 _aPOAJOPD
913 _aSubsc. Prd :Jan,1957-Dec,1957
919 _a4897
999 _c416056
_d416056