00276nam a2200109Ia 450000500170000000800410001708200150005810000200007324500230009326000420011630000080015820260225050905.0260224s9999||||xx |||||||||||||| ||und||  a551.49 LIN  aRay K. Linsley  0aApplied hydrology   aNew York: McGraw-Hill Book Co. c1989  a689