00390nam a2200145Ia 450000500170000000800460001703700120006304000200007504100130009508400220010810000250013024500220015526000520017730000150022920250508161719.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a371.42, HUMqFEDL  aHumpherys J. Anthony 0aGuidance services  aChicago, USAbScience Research Associatesc1954  axvii,438p.