481
Published [1981]

Report Number(s): APA 1356

Link to full text
482
Published [1981]

Report Number(s): APA 1357

Link to full text
483
484
485
Published [1985]

Report Number(s): APA 2756

Link to full text
486
487
488
Published [1981]

Report Number(s): APA 333

Link to full text
489
Published [1981]

Report Number(s): APA 1290

Link to full text
493
494
by Elliott, Charles Lawrence,
Published [1985]

Report Number(s): APA 2735

Link to full text
495
496
by Gatto, Lawrence W.,
Published [1982]

Report Number(s): CRREL/SR-82/31 APA 1085

Link to full text
497
499
Published [1982]

Report Number(s): APA 1399

Link to full text
500