fig 80A, drawing,
fig 80B, drawing,
fig 80C, drawing,
fig 80D, drawing,
fig 80E, drawing,
fig 80F, drawing,
fig 80G, drawing,
fig 80H, drawing,
fig 80I, drawing,
fig 80J, drawing,
fig 80K, drawing,
fig 80L, drawing,
fig 80M, drawing,
fig 80N, drawing,
fig 80O, drawing,
fig 80P, drawing,
fig 80Q, model,
fig 80R, model,
fig 80S, model,
fig 80T, model,