For details of plant material, growth conditions and electrical recording methods, see ref. 9.

See ref. 1 for a review of genotypes and phenotypes.

See ref. 8 for source.

The victim, wrote Elias, was discovered by a hiker, walking with his dog (see ref, 45).

Certain cardiovascular and pulmonary disorders related to dextrocardia can be life-threatening if left unchecked (see ref).

(See ref. 13 for details of processing technique.)

The measured coefficient of thermal expansion (see ref.

For the renormalization equations see ref.

The female form is given as "ghouleh" in Muhawi and Kanaana (see ref below).

The Great Hunger (see ref.