1ST NEW WORLD CEREAL

[1] CALLEN E. O., 1960, New Scientist, V8, P35

[2] Callen E.O., 1963, SCI ARCHAEOL, P186

[3] CALLEN EO, 1967, REPORTS TEHUACAN ARC

[4] KAPLAN L, 1960, BOTANICAL MUSEUM LEA, V9, P33

[5] MACNEISH R. S., 1958, T AM PHILOS SOC N S, V48, P1

[6] MacNeish R. S., 1964, HDB MIDDLE AM INDIAN, V1, P413

[7] ANCIENT MESOAMERICAN CIVILIZATION - LONG ARCHEOLOGICAL SEQUENCE FROM TEHUACAN MEXICO MAY GIVE NEW DATA ABOUT RISE OF THIS CIVILIZATION [J]. SCIENCE, 1964, 143 (360) : 531 - &

[8] MACNEISH RS, 1962, 2ND ANN REP TEH ARCH

[9] MACNEISH RS, 1967, REPORTS TEHUACAN ARC

[10] Mangelsdorf P., 1964, HDB MIDDLE AM INDIAN, VI, P427

[1] CALLEN E. O., 1960, New Scientist, V8, P35

[2] Callen E.O., 1963, SCI ARCHAEOL, P186

[3] CALLEN EO, 1967, REPORTS TEHUACAN ARC

[4] KAPLAN L, 1960, BOTANICAL MUSEUM LEA, V9, P33

[5] MACNEISH R. S., 1958, T AM PHILOS SOC N S, V48, P1

[6] MacNeish R. S., 1964, HDB MIDDLE AM INDIAN, V1, P413

[7] ANCIENT MESOAMERICAN CIVILIZATION - LONG ARCHEOLOGICAL SEQUENCE FROM TEHUACAN MEXICO MAY GIVE NEW DATA ABOUT RISE OF THIS CIVILIZATION [J]. SCIENCE, 1964, 143 (360) : 531 - &

[8] MACNEISH RS, 1962, 2ND ANN REP TEH ARCH

[9] MACNEISH RS, 1967, REPORTS TEHUACAN ARC

[10] Mangelsdorf P., 1964, HDB MIDDLE AM INDIAN, VI, P427