relative variance for cluster sampling

channel length chanteclere cruising endurance electric capacitance altimeter enicospilus erythrocerus gas toxicity of protected land Good. & Wood. high ligation of internal spermatic cord vein make something go round Multimycine organometallic compound recusancy Sinosaurus slow-setting cement taiwanoserica anmashana transit of Venus Vanessa Bell voodooisms welding flame workpapers