Table of Contents

1948-01; 34 (1)

Biochemistry

Biochemistry:
- Herschel K. Mitchell
- and Joseph F. Nyc
Hydroxyanthranilic Acid as a Precursor of Nicotinic Acid in Neurospora
Proc Natl Acad Sci U S A 1948 34:1-5
- Full Text (PDF)
Biochemistry:
- David Bonner
The Identification of a Natural Precursor of Nicotinic Acid
Proc Natl Acad Sci U S A 1948 34:5-9
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Mathematics:
- W. van der Kulk
On Line Congruences
Proc Natl Acad Sci U S A 1948 34:9-12
- Full Text (PDF)
Mathematics:
- N. Levinson
A Simple Second Order Differential Equation with Singular Motions
Proc Natl Acad Sci U S A 1948 34:13-15
- Full Text (PDF)
Mathematics:
- Morris Marden
The Number of Zeros of a Polynomial in a Circle
Proc Natl Acad Sci U S A 1948 34:15-17
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Mathematics:
- Aristotle D. Michal
Infinite Dimensional Differential Metrics with Constant Curvature
Proc Natl Acad Sci U S A 1948 34:17-21
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